Charles Lau designs and implements surveys in low- and middle-income countries. He directs projects through the survey cycle, including study design, questionnaire development, sampling, interviewer training, data collection, analysis, and reporting.
Dr. Lau joined RTI in 2010. He has led surveys in 17 countries in Africa, Asia, and Latin America. In these countries, he has used different modes of data collection, including face-to-face interviewing with tablets, telephone, web, and short message service (SMS). With funding from governments, foundations, and commercial clients, his work has covered various topics including health, education, politics, and technology. He also publishes research on cross-cultural issues in survey design, interviewer and mode effects, and sampling approaches in developing countries.