RTI Fellow Program Members

Distinguished Fellows

Don Bailey, PhD, Fellow Program Chair and Distinguished Fellow in early childhood development, appointed November 2005, is internationally known as an expert on young children with disabilities. For 27 years, he was on the faculty of the University of North Carolina at Chapel Hill where he was a W.R. Kenan, Jr. Distinguished Professor and, for 14 years, director of the Frank Porter Graham Child Development Institute. Dr. Bailey's research addresses early identification and early intervention for children with disabilities, as well as family adaptation to disability. For 20 years, his work has focused on children with fragile X syndrome, the leading inherited cause of intellectual impairment, and their families. He has an extensive record of publications, with more than 200 peer-reviewed articles, chapters, and books on a wide variety of topics related to early education, early intervention, disability, and family support. In 2006, he received the Career Research Scientist Award from the Academy on Mental Retardation. From 2006 to 2009, he served as president of the board of directors of the National Fragile X Foundation (www.fragileX.org). Recently, he was appointed to serve a 4-year term on the DHHS Secretary's Advisory Committee on Heritable Disorders in Newborns and Children.
Paul P. Biemer, PhD, Distinguished Fellow (appointed November 2002) in statistics, has 29 years of postdoctoral experience in survey methods and statistics. He joined RTI in 1991, serving as director of the survey methods program until 1994 and of the Center for Survey Methods and Research from 1994 to 2000. Dr. Biemer's scientific contributions to survey methodology and statistics include developing methodologies for using computer audio-recorded interviewing, using latent class analysis as a survey error evaluation tool, and applying continuous quality improvement to the coding of industry and occupation question responses. He holds a joint appointment with the Odum Institute for Research in Social Sciences at the University of North Carolina at Chapel Hill where he is associate director for survey research and director of the certificate program in survey methodology. He has written five books, 35 peer-reviewed publications, 17 book chapters, and numerous papers and presentations.
Maureen Black, PhD, Distinguished Fellow (appointed March 2016), a pediatric psychologist, has more than 25 years of academic, research, and clinical experience in research, programs and policies that address health disparities in young children. Her expertise is in intervention research related to early child development and nutrition in low-income communities in the U.S. and in low- and middle-income countries. Her research has been funded by federal agencies including the National Institutes of Health (NIH), the U.S. Department of Agriculture, and the Department of Health and Human Services Bureau of Maternal and Child Health.
Derick W. Brinkerhoff, EdD, Distinguished Fellow (appointed October 2008) in international public management, has more than 30 years of experience with public management issues in developing and transitioning countries, focusing on policy analysis, program implementation and evaluation, participation, institutional development, democratic governance, and management change. Dr. Brinkerhoff joined RTI International in 2003, with an appointment as an RTI Senior Fellow. He has received multiple awards and honors for his published research in social science and policy studies and for his contributions to the theory and practice of international development and comparative public administration. Dr. Brinkerhoff has written or edited 8 books, 45 refereed articles, 31 book chapters, and numerous conference papers, and is a sought-after speaker for conferences of major international development organizations. In 2010, he was elected as a Fellow of the National Academy of Public Administration. Dr. Brinkerhoff is co-editor of the journal Public Administration and Development, and serves on the editorial boards of Public Administration Review and International Review of Administrative Sciences. He also holds an associate faculty appointment at George Washington University's Trachtenberg School of Public Policy and Public Administration.
F. Ivy Carroll, PhD, Distinguished Fellow (appointed August 2002) in medicinal chemistry, joined RTI in 1960. He served as director of the Center for Organic and Medicinal Chemistry (1975-2007) and research vice president of the Chemistry and Life Sciences Group (1996-2001). Dr. Carroll has made major scientific contributions in drug discovery and development and other research areas. Among his most recognized scientific contributions is the development of a diagnostic agent for Parkinson's disease and compounds as potential treatments for cocaine and nicotine addictions and other central nervous system disorders. He has published more than 459 peer-reviewed publications, 33 book chapters, 45 patents, and several current patent applications. Dr. Carroll has received numerous awards for his research accomplishments, such as the 1993 Pacesetter Award, National Institute on Drug Abuse; the 1993 Distinguished Speaker Award, North Carolina Section of American Chemical Society; the 2000 Southern Chemist Award, Memphis Section of American Chemical Society; the 2001 Charles H. Herty Medal, Georgia Section of American Chemical Society; the 2001 Margaret E. Knox Excellence Award, Research Triangle Institute; the 2002 Division of Medicinal Chemistry Award, American Chemical Society; the 2006 Nathan B. Eddy Award from the College on Problems of Drug Dependence; the 2006 Research Achievement Award in Drug Design and Discovery from the American Association of Pharmaceutical Scientists; the 2010 North Carolina Award for Science; the 2010 National Institute on Drug Abuse Public Service Award for Significant Achievement; the 2012 International Narcotics Research Conference Founder's Lecture Award; and the 2012 American Chemical Society Alfred Burger Award in Medicinal Chemistry. In 2007, he was inducted into the American Chemical Society Medicinal Chemistry Hall of Fame.
Anthony Hickey, PhD, Distinguished Fellow (appointed June 2012), is a senior research pharmacologist at RTI. Dr. Hickey has more than 30 years of academic and research experience in pulmonary biology, aerosol physics, powder dynamics, pharmacokinetics and drug disposition, formulation design, and device development. Since joining RTI in 2011, he has conducted research related to pulmonary drug and vaccine delivery for tuberculosis treatment and therapy. Additionally, Dr. Hickey is an adjunct professor of biomedical engineering at the University of North Carolina at Chapel Hill School of Medicine, emeritus professor of molecular pharmaceutics at the University of North Carolina at Chapel Hill Eshelman School of Pharmacy, and founder and president of Cirrus Pharmaceuticals, Inc. He has received many awards and honors and is an active member of several professional societies and committees, including the American Association for the Advancement of Science, American Association for Aerosol Research, and the Society of Toxicology. He is a fellow of the Society of Biology, the American Association of Pharmaceutical Scientists, and the American Association for the Advancement of Science. Dr. Hickey holds 17 patents and has authored numerous books, book chapters, and more than 160 journal articles.
Kathleen N. Lohr, PhD, Distinguished Fellow (appointed June 2003) has more than 35 years of experience in health services and policy research. She was the founding director of the RTI International–University of North Carolina Evidence-based Practice Center and the RTI DEcIDE Center, and is now senior advisor to both. Dr. Lohr was the founding editor-in-chief of RTI Press and continues on its editorial board. Before coming to RTI in 1996, Dr. Lohr spent nine years at the Institute of Medicine and 12 years at The RAND Corporation, leading work on quality of care, health insurance, and other health care topics. She has more than 80 books, monographs, and reports and more than 135 peer-reviewed articles to her credit. She was associate editor of Quality of Life Research and has participated on numerous national advisory committees, including the National Advisory Council for the Agency for Healthcare Research and Quality (and its subcommittees on quality measures for children and adults) and the core editorial board for the National Guidelines and National Quality Measures Clearinghouses. In 2005, she received ISPOR's Avedis Donabedian Outcomes Research Lifetime Achievement Award.
Kenneth J. Rothman, DrPH, Distinguished Fellow (appointed July 2008) in epidemiology, is vice president for Epidemiology Research in RTI Health Solutions. Dr. Rothman has focused his career on the development and teaching of the concepts and methods of epidemiologic research, and has authored or co-authored more than 250 scholarly publications. His research has spanned a wide range of health problems, including cancer, cardiovascular disease, neurologic disease, birth defects, injuries, environmental exposures, and adverse effects of pharmaceutical agents. He was the founding editor of Epidemiology, assistant editor of the American Journal of Public Health, editor of the American Journal of Epidemiology, and a member of the editorial board of the New England Journal of Medicine and the international advisory board of The Lancet. He is a past president of the Society for Epidemiologic Research, an honorary fellow of the American College of Epidemiology, and fellow and member of the board of directors of the International Society for Pharmacoepidemiology. He has written two widely read epidemiologic textbooks: Modern Epidemiology and Epidemiology, An Introduction.
Brian R. Stoner, PhD, Distinguished Fellow (appointed June 2009 as Senior Fellow) in materials and electronic technologies, directs research related to biomedical materials and devices, microelectromechanical systems (MEMS)-based sensors, and photonics. Before joining RTI, Dr. Stoner was a senior scientist for Kobe Steel USA's Electronic Materials Center, researching plasma processing of thin-film microelectronic materials. At RTI, he currently manages research programs for the Defense Advanced Research Projects Agency, the Army Research Office, the National Science Foundation, and the National Institutes of Health. Stoner is a member of the Applied Sciences and Engineering Curricula at the University of North Carolina at Chapel Hill, where he conducts research on dental materials and thin-film ceramics. His RTI Fellow's research will center on cultivating strategic university and corporate partnerships in the area of biomedical materials and devices. He holds 22 U.S. patents related to novel microelectronic materials and systems, and has authored or co-authored two book chapters and more than 100 publications.
Dorota Temple, PhD, Distinguished Fellow (appointed Senior Fellow in September 2009) and program director in electronics and energy technologies, has more than 20 years of experience in electronic materials and processes for applications in integrated circuits, sensors, displays, and solar cells. Dr. Temple is internationally known for her research on field emission electron sources and for her contributions to the development of three-dimensional integration technologies for "smart" focal plane imaging arrays. She is currently the director of RTI Microsystem Integration and Flexible Electronics programs, focusing on emerging technologies for advanced electronic and optoelectronic systems. Dr. Temple has authored or co-authored more than 120 publications, including several invited review papers, and holds six U.S. patents.
Joshua M. Wiener, PhD, Distinguished Fellow (appointed June 2003 as Senior Fellow) and program director in aging, disability and long-term care, is the author or editor of eight books and more than 200 articles and reports on health care for older people, people with disabilities, long-term services and supports, Medicaid, health reform, health care rationing, and maternal and child health. Dr. Wiener is currently involved in studies of Medicaid spend down, medical homes, residential care facilities, the risk of institutionalization, and long-term care awareness and planning. He is also co-director of the Administration on Aging-funded Alzheimer's Disease Supportive Services Program National Resource Center. Prior to coming to RTI, Dr. Wiener did policy analysis and research for the Urban Institute, the Brookings Institution, the Health Care Financing Administration, the Massachusetts Department of Public Health, the Congressional Budget Office, the New York State Moreland Act Commission on Nursing Homes and Residential Facilities, and the New York City Department of Health.

Senior Fellows

Philip C. Cooley, Senior Fellow (appointed March 2008 as Fellow) in bioinformatics and high-performance computing, is a principal scientist and member of the bioinformatics group. He has more than 45 years of experience developing computer models for the study of environmental health and disease transmission scenarios. Cooley recently designed and implemented a series of influenza transmission models for the study and management of pandemic flu. His current research includes an assessment of statistical methods for biomarker explorations in the context of genome-wide-analysis studies. He created a database of genes with known genetic inheritance properties that constitutes a "truth set" to support statistical association explorations. Cooley has authored or co-authored numerous reports, professional journal articles, and book chapters, and has reviewed for Science, The Journal of the American Medical Association, and the AIDS and Related Research study section for the National Institutes of Health. He is a member of the American Association for the Advancement of Science and is on the editorial board of Computers and Human Behavior.
Jerry Cromwell, PhD, Senior Fellow (appointed April 2002) in health economics, has more than 35 years of experience conducting federally funded technical and evaluation projects. Major fields include Medicare hospital and physician payment systems and productivity gains, disease management evaluations, federal-state Medicaid public finance, physician participation in publicly funded health programs, reimbursement of anesthesia services, and disparities in access to complex health technologies. His technical expertise includes actuarial estimation of hospital inpatient and outpatient payment rates, quasi-experimental design of payment reform demonstrations, quantification of breadth and depth of state Medicaid insurance coverage and physician work effort, and econometric analysis of business cycle effects on Medicaid eligibility. He has sat on AHCPR, VA, and OTA health care study sections and testified before Congress on Medicare and Medicaid payment reforms. He is the founder and past president of Health Economics Research, which was acquired by RTI in 2002.
Mark Graber, MD, Senior Fellow (appointed May 2012) in health care quality and outcomes, is a national leader in the field of patient safety and originated Patient Safety Awareness Week in 2003, an event now recognized internationally. Dr. Graber has also pioneered efforts to address diagnostic errors in medicine, and his research in this area has been supported by the National Patient Safety Foundation and the Agency for Healthcare Research and Quality. In 2008 Dr. Graber founded and chaired the Diagnostic Error in Medicine conference series, in 2011 the Society to Improve Diagnosis in Medicine (www.improvediagnosis.org), and in 2014 the journal Diagnosis. He has an extensive background in biomedical and health services research, with more than 80 peer-reviewed publications. Dr. Graber is professor emeritus of medicine at the State University of New York at Stony Brook.
Michael Halpern, MD, PhD, Senior Fellow (appointed August 2009) in health services research, has more than 15 years of professional experience evaluating patterns of medical care, quality of care, clinical outcomes and cost-effectiveness, access, and disparities. His research includes evaluations of medical treatment patterns, resource utilization, and outcomes using large health care databases; modeling studies of medical care costs and cost-effectiveness; assessments of patient symptoms, satisfaction, and quality of life; projections of shortages among physicians and other health care professionals; and examinations of factors influencing decision making by physicians and patients. Before joining RTI, Dr. Halpern was strategic director of health service research at the American Cancer Society. He has more than 100 peer-reviewed publications, serves on the Health Disparities Advisory Group of the American Society of Clinical Oncology, and is the section editor of clinical trials for the journal Cancer.
Thomas J. Hoerger, PhD, Senior Fellow (appointed September 2005) in health economics, is director of the Public Health Economics Program. He specializes in health economics, health care reform, and cost-effectiveness analysis. Dr. Hoerger has led numerous research projects for the Centers for Disease Control and Prevention (CDC) and the Centers for Medicare and Medicaid Services. He has developed models for examining the cost-effectiveness of health promotion interventions and estimated the costs of diabetes, vision loss, and other conditions. He has directed a series of projects to design, implement, and evaluate competitive bidding for Medicare services. The purpose of the CDC-sponsored RTI-UNC Center of Excellence in Health Promotion Economics, which Hoerger directed, was to develop, evaluate, and implement health promotion recommendations, programs, and policies; to evaluate their cost-effectiveness; and, consequently, to improve upon efforts to promote health and prevent disease, disability, and injury.
Eric Johnson, PhD, Senior Fellow (appointed October 2014), has more than 18 years of experience bridging the fields of social and genetic epidemiology: examining mental, substance use, and sleep disorders, as well as HIV. He has authored more than 75 peer-reviewed journal articles on these areas of research. Dr. Johnson is currently leading several major studies regarding HIV and substance use focused on gene discovery, gene by environment interactions, and epigenetics. These studies are helping researchers identify genetic variants and potential molecular mechanisms underlying risks associated with developing these conditions. With this information, Dr. Johnson and his colleagues hope to identify new targets for medication development and better target therapies for HIV or substance dependencies to individual patient's needs. Previously, he led a sleep disorder study that found insomnia was common among teens and may lead to psychiatric disorders. He now serves as the chair of the Behavioral Genetics and Epidemiology Study Section in the Center for Scientific Review at the National Institutes of Health (NIH). Dr. Johnson has served on numerous other review and expert panels across the NIH.
Grier Page, PhD, Senior Fellow (appointed October 2014) focuses on statistical genetics and systems biology. He develops methods for the analysis of linkage and association data, as well as microarray, metabolomics, proteomic, and next-generation sequencing methods. He has an undergraduate degree in zoology and molecular biology, and both a master’s and doctorate in biomedical sciences, all from the University of Texas-Health Sciences Center-Houson. He has more than 220 publications, book chapters, and peer-reviewed journal articles, as well as a book, to his credit.
Ariane van der Straten, PhD, Senior Fellow (appointed October 2014), is a senior research scientist and expert in female-initiated HIV-prevention methods. Dr. van der Straten conducts biomedical and behavioral research for prevention of heterosexual transmission of HIV, with a focus on female-initiated methods, microbicides, and multipurpose prevention technologies. She has led or participated in the development and implementation of major research projects in Africa and the U.S., including Phase I to Phase III trials of the diaphragm and gel, oral and vagina Tenofovir-based pre-exposure prophylaxis, and the vaginal ring. She has also led several studies focusing on adherence-related issues in the context of prevention trials, using quantitative and qualitative research methods. Her recent research focuses on new tools and technologies to improve adherence and its measurement in biomedical prevention trials, and innovative approaches to monitor product use. Most recently, she was awarded a large multidisciplinary project to develop and test the use of a long-lasting, injectable, biodegradable, HIV-prevention device. Additionally, Dr. van der Straten is an associate professor at the University of California, San Francisco.
Jenny Wiley, PhD, Senior Fellow (appointed December 2011) in behavioral pharmacology, received her doctoral degree in biological psychology from Virginia Commonwealth University (VCU). Before joining RTI in March 2010, Dr. Wiley was a professor in the Department of Pharmacology and Toxicology at VCU, where she still maintains an affiliate appointment. Throughout her career, she has worked extensively with various multidisciplinary and multi-institutional teams focused on studies that used a wide range of methods from molecular to behavioral. Currently, she designs and supervises a program of in vivo research that complements existing strengths of the Center for Discovery and Analytical Sciences, including the synthesis and development of candidate medications and investigation of neural mechanisms underlying substance abuse. She also has independent National Institutes of Health grant-supported research in the area of cannabinoid pharmacology, an area in which she has an extensive record of peer-reviewed publications. Additionally, she has been involved in governance of the International Cannabinoid Research Society for many years and will serve as the Society’s president at the 2013 meeting.


Carla Bann, PhD, Fellow (appointed November 2009) in statistics and psychometrics, is director of the Program Evaluation and Outcome Measurement program within RTI's Statistics and Epidemiology unit. She has more than 12 years of experience in psychometric analysis, scale and index development, program evaluation, and statistical analysis of behavioral data. Her research interests include maternal and child health and she has served as a psychometrician for several large-scale data coordinating centers focused on improving maternal and child outcomes. Dr. Bann also has participated in numerous studies focused on the areas of health-related knowledge, quality of life, and informed decision making. Her statistical skills encompass a variety of techniques, including structural equation modeling, latent growth curve analysis, item response theory, and factor analysis. She has published her research findings in several peer-reviewed journals.
Robert Beach, PhD, Fellow (appointed October 2014), specializes in the development and application of economic models designed to analyze agricultural, environmental, energy, transportation, and natural resource regulations, programs, and policies. He is currently involved in the development of multiple forest and agricultural sector—as well as macroeconomic—models for use in assessment of both domestic and international policies and programs. The applications of his research include studies evaluating the economic impacts of climate change and adaptation, the potential for and economic impacts of mitigating greenhouse gases from agriculture for regions around the world, and low emissions development strategies (LEDS). In addition, his research applications include the economic and environmental impacts of large-scale bioenergy production, land use change and associated greenhouse gas and other emissions including reducing emissions from deforestation and forest degradation (REDD+), potential mitigation and costs of black carbon and organic carbon emissions, risk management, and factors influencing forest investment and management. Dr. Beach holds an adjunct faculty position in the Department of Agricultural and Resource Economics at North Carolina State University.
Gary Bland, PhD, Fellow (appointed April 2009) in democratic governance, is a senior advisor and scholar of democratic institutional development. He specializes in decentralization and local governance and, geographically, in Latin America. His work has also involved legislative process, electoral systems, participatory governance, and democratic transitions. Dr. Bland's academic, policy, and programmatic expertise has informed development in many countries through multiple research and assistance projects. He directed RTI's Center for Democratic Governance for nearly five years. Dr. Bland was a Democracy Fellow at USAID and has consulted with various international organizations. Earlier, he was a senior associate at the Woodrow Wilson Center and legislative assistant in the U.S. House of Representatives. Dr. Bland is active in professional associations and has presented at numerous conferences. He has been an adjunct graduate professor of public policy at Georgetown University, and he most recently co-edited a volume on democratic deficits in the developing world.
Georgiy Bobashev, PhD, Fellow (appointed November 2015), is a senior data scientist who leads studies on substance abuse, HIV, and chronic diseases, with a methodological focus on predictive modeling. He spearheads the development of new predictive methods and applications to a broad range of research problems. He has co-authored more than 60 publications and has been a principal investigator on a number of NIH grants. In addition, he is a contributing author of The Health Consequences of Smoking, 50 Years of Progress—a U.S. Surgeon General report that highlights progress in tobacco control and prevention through new data. Bobashev holds a doctorate in biomathematics from North Carolina State University and a master's in physics/mechanical engineering from St. Petersburg Technical University, Russia. He conducted his post-doctoral training in biostatistics/mental hygiene at Johns Hopkins University.
J. Lynn Davis, PhD, Fellow (appointed November 2015), is director of engineering research and a top expert on energy efficient lighting technologies. His work includes developing predictive models of the long-term reliability of LED-based lighting sources and designing and demonstrating advanced lighting systems that enhance learning in schools and productivity in offices. His work resulted in RTI being honored with an achievement award from the U.S. Department of Energy for efforts to advance solid-state lighting technology. Davis also led the development of the first electro-technical, product-oriented standard in nanotechnology. Davis holds a doctorate in chemistry from the University of Delaware and a bachelor's degree in chemistry from the University of North Carolina at Chapel Hill (UNC-CH). He performed his post-doctoral work in surface science at the Department of Energy Laboratory in Ames, Iowa, and Iowa State University.
David Dayton, PhD, Fellow (appointed October 2014), is an expert in alternative fuels that can be used to create cleaner, cost-effective sources of energy. A physical chemist, Dr. Dayton has more than 25 years of project management and research experience in R&D projects focused on biomass thermochemical conversion processes used to create cost-effective biofuels. Dr. Dayton leads projects with the objective of developing advanced biofuels technology that has taken laboratory studies to the pilot plant scale, converting 1 ton per day of biomass—such as wood chips and switchgrass—into a petroleum replacement known as biocrude. He and his team are working to upgrade the biocrude to transportation fuel (gasoline, diesel, and jet fuel) using a process routinely used in the petroleum refining industry. The goal is to maximize carbon efficiency and reduce overall hydrogen demand. In this way, Dr. Dayton hopes to produce these bio-based fuels for less than $3 a gallon to be cost-competitive with conventional petroleum-based fuels. Previously, Dr. Dayton was the technical leader of the Thermochemical Platform at the National Renewable Energy Laboratory, where he managed biomass thermochemical conversion projects for the U.S. Department of Energy.
Sujha Subramanian, PhD, Fellow (appointed October 2014), concentrates her research on economic evaluation, specifically related to cancer programs. She is leading the economic evaluation of the Centers for Disease Control and Prevention’s (CDC’s) Colorectal Cancer Screening Demonstration, as well as two projects on the costs, benefits, and harms of personalized screening regimens for colorectal and breast cancer. She has an undergraduate degree in economics and business from Lafayette College, as well as a master’s in applied econometrics and public finance and a doctorate in health economics from Clark University. She has authored or co-authored more than 65 technical reports, publications, peer-reviewed journal articles, and book chapters.
Meera Viswanathan, PhD, Fellow (appointed October 2015) is director of the RTI-UNC Evidence-based Practice Center and a leading expert in systematic review methodology. Her systematic reviews have been used to support national clinical practice guidelines, coverage decisions and research funding priorities. Under her leadership, the RTI-UNC Evidence-based Practice Center has conducted numerous systematic reviews that have a special emphasis on health services, mental health and complex interventions. As part of the center, she co-authored a landmark study that found routine use of episiotomy is unnecessary. Viswanathan has a doctorate in city and regional planning from UNC-CH, a master's in geography from Jawaharlal Nehru University in New Delhi, India, and a bachelor's in geography from the, University of Delhi, India.
Suzanne L. West, PhD, MPH, Fellow (appointed July 2011) in epidemiology, is a senior scientist at RTI. She is an internationally recognized pharmacoepidemiologist with more than 30 years of research experience in the conduct of systematic reviews, managing complex data analyses, developing and using quality-of-care measures, and enhancing systematic review methods. She is best known for her work assessing the validity of electronic data such as claims and electronic health records (EHRs) for their use in drug safety research and has experience using administrative databases, EHRs, paper medical records, and questionnaires. Dr. West joined RTI in 1996 and was director of pharmacoepidemiology, playing a key role in the creation of RTI Health Solutions. She has served as project director and task leader for the Agency for Healthcare Research and Quality (AHRQ) DEcIDE and other large-scale projects funded by AHRQ, the Centers for Medicare and Medicaid Services, the Centers for Disease Control and Prevention, and commercial clients. Dr. West is the former associate and interim director of the University of North Carolina's Center of Excellence in Pharmacoepidemiology and Public Health from inception in 2003 until 2008, when she returned to RTI. She is currently an adjunct associate professor in the UNC-CH Department of Epidemiology, a member of RTI's Institutional Review Board, and a Fellow of the International Society for Pharmacoepidemiology, for which she was on the board of directors from 2001 to 2004.
Michael Willoughby PhD, Fellow (appointed October 2014), specializes in self-regulation research, with a special focus on executive functions in early childhood, including their relevance to school readiness and disruptive behavior disorders. He is also a developmental methodologist with general expertise in the design and analysis of observational longitudinal studies and (cluster) randomized controlled trials, as well as psychometric issues relevant to measure development activities. He received a bachelor’s degree in psychology from Indiana University and a doctorate in developmental psychology from the University of North Carolina at Chapel Hill. He has published more than 65 peer-reviewed manuscripts and book chapters.
William Zule, DrPH, Fellow (appointed October 2014), is a leading expert in community-based HIV prevention research. For more than 25 years, his research has focused on HIV and hepatitis C virus epidemiology and prevention. Dr. Zule’s work suggests that better syringe designs may substantially reduce HIV infections from syringe sharing. He is currently working with two needle and syringe programs in Tajikistan to develop and test strategies for implementing the World Health Organization’s recommendations regarding the distribution of low dead space syringes to reduce hepatitis C virus and HIV transmission among people who inject drugs. His early work helped clarify the context of indirect needle sharing in HIV risk among intravenous drug users. Dr. Zule has been a principal investigator, project director, and ethnographer on several large HIV prevention epidemiologic research projects. More recently, he has published a series of papers examining and assessing treatment readiness and entry among out-of-treatment drug users. Dr. Zule currently serves on the board of directors of the North Carolina Harm Reduction Association.

Emeritus Fellows

James R. Chromy, PhD, Emeritus Fellow (appointed Senior Fellow in August 2004) in statistics, is an expert in sampling theory and application, survey design, and statistical analysis. At RTI, he has led many large-scale surveys; he helped design the sample and data collection methodology for the National Assessment of Educational Progress (NAEP) first conducted by RTI in 1969 and currently serves on the NAEP Validity Studies Panel. He has experience in all aspects of area probability sampling and household interview surveys and currently serves as operational director for statistics for the National Survey on Drug Use and Health. Dr. Chromy developed the theory and computational algorithm for selecting minimum replacement probability proportional to size samples, and he developed a computer algorithm for efficient sample allocation that minimizes total survey cost subject to satisfying multiple variance constraints. He is an adjunct professor of statistics at North Carolina State University and an associate editor for the Journal of Official Statistics.
R.K.M. Jayanty, PhD, Emeritus Fellow (appointed December 2005 as Distinguished Fellow) in environmental chemistry, is a senior program director of environmental and industrial sciences. He has 40 years of experience in the field of environmental analytical chemistry, including significant program management and technical experience with complex multimedia sampling and analysis, chemical speciation, and method development/evaluation of programs for air toxics and fine particles. Dr. Jayanty’s technical experience includes methods development, evaluation, and field validation studies related to the measurement of toxic organics and fine particulates in ambient and source atmospheres. He is currently program manager of the chemical speciation of PM2.5 filter samples collected through nationwide network operations, and is an adjunct professor in the Department of Biological and Agricultural Engineering, College of Agriculture and Life Sciences, North Carolina State University. Dr. Jayanty is an internationally recognized scientist and the author of more than 150 technical papers, reports, and presentations.
Kenneth LaBresh, MD, Emeritus Fellow (appointed Senior Fellow in January 2011) in health care policy, has more than 30 years of experience in the medical field, where he has a diverse clinical and leadership background in academic medicine, private practice, hospital staff leadership, quality improvement and health policy research. Before joining RTI in 2009, LaBresh spent six years with Masspro as their senior vice president and chief medical officer. Before Masspro, he was founder, president and CEO of Blackstone Cardiology Associates and medical director of Blackstone Lipid Center and Heart Failure Center. From 1979 to 1986, LaBresh was chief of cardiology at the Providence Veterans Administration Medical Center and taught at Brown University. LaBresh is a frequent contributor to medical literature, including more than 40 peer-reviewed publications and book chapters, and presenter at national healthcare conferences. He is a fellow of both the American College of Cardiology and American Heart Association. He has received numerous honors and awards including the Distinguished Leadership Award from the American Heart Association and the National Philanthropy Award.
Edo D. Pellizzari, PhD in biochemistry, Emeritus Lead Fellow, appointed to the RTI Fellow Program in April 2004 (as Senior Fellow), served as RTI's first Lead Fellow from 2007 to 2010. He has served with distinction and integrity in a number of significant scientific leadership and research positions at RTI during a career that spanned nearly 40 years. He joined RTI in 1971 as a chemist and, after several increasing levels of responsibility, served as vice president of Analytical and Chemical Sciences from 1983 to 2003. Dr. Pellizzari is internationally known for major contributions in the environmental health sciences, specifically in chemical and aerosol exposure analysis, and for developing and applying personal exposure methodology to more than a dozen population-based studies on toxic chemicals in the US and Canada. In 1989, Dr. Pellizzari helped charter the International Society for Exposure Analysis (ISEA) and established ISEA's Journal of Exposure Science and Environmental Epidemiology, for which he served as editor-in-chief for 15 years. Dr. Pellizzari is author or co-author of 192 peer-reviewed papers, 45 book chapters, 262 abstracts for national and international conferences, and more than 100 reports. He has served on National Academy of Sciences committees, on EPA's Science Advisory Board, Committee on Drinking Water, the Research Triangle Environmental Health Consortium, and has participated in dozens of workshops and grant review panels for major government agencies (e.g., NIEHS, EPA, HHS, NSF, DOE) in the area of environmental health sciences. He has served on and chaired NIEHS's review committees on SARA (Superfund) Grants since 1986 and chaired the Environmental Health Committee. Dr. Pellizzari has served on review panels for major research programs in analytical chemistry at the national and university laboratories (Argonne, Battelle Pacific Northwest, Oak Ridge, Lovelace, Lawrence Livermore, NIOSH, University of Michigan). He has given invited plenary lectures on environmental health topics at agencies in Canada and Sweden. He has advised major agencies on analytical techniques for pollution analysis (e.g., CETSB in Sao Paulo, Brazil). He has received California State University's Distinguished Alumni and ISEA's Wesolowski awards for achievements in environmental research. Among Dr. Pellizzari's significant contributions to the RTI Fellow Program is his leadership of a procedure for assessing the state-of-the-science at RTI. He instituted a cross-RTI collaborative mechanism for tackling 'Grand Challenges', instituted the Author's Award Series, and organized the highly successful Fellows Symposium, Exploring Frontiers in Science: Implications for Research and Policy. The membership of the Fellow Program doubled under his tenure.