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Dr. Kishor is a gender expert, demographer, and survey specialist with 20 years of experience in the collection of high-quality gender data in developing countries. She has been responsible for the design, implementation, and analysis of questionnaire modules on women's empowerment and domestic violence in population-based surveys. Dr. Kishor works with DHS staff and stakeholders to integrate gender into implementation and research activities, develops gender-sensitive indicators and dissemination materials, and helps develop and update the Gender Corner of the DHS Web site. She also co-managed the third National Family Health Survey in India, a DHS survey of more than 100,000 households, with 200,000 individuals interviewed in all Indian states. Dr. Kishor has a Ph.D. in sociology from the University of Maryland College Park.



Technical Deputy Director

Dr. Arnold is responsible for setting the overall technical direction of The DHS Program and coordinating the design of DHS questionnaires. He has coordinated technical assistance to four large-scale National Family Health Surveys in India, which have included interviews with more than one million women and men, almost 6 million biomarker tests and measurements, working with more than 40 organizations (government ministries, funding agencies, international organizations, and implementing agencies) in the conduct of the surveys. He has been involved in the design and implementation of surveys in 15 additional countries. Dr. Arnold has a Ph.D. in economics/demography from the University of Michigan. He has authored more than 150 publications in areas such as malaria; nutrition; HIV; maternal, newborn and child health; son preference; fertility; international migration; and the value of children.



Senior Advisor for Communication

Ms. Nybro is a health communication specialist with 15 years of professional experience in designing communication strategies and products for a diverse range of audiences. She is responsible for the overall management of global and country level dissemination of DHS data with the ultimate goal of increasing data use for decision making. Ms. Nybro has been with The DHS Program since 2004 and has led the DHS team in digital communication activities, including development of the new STATcompiler and mobile app. Ms. Nybro has worked to strengthen capacity in communication and dissemination of DHS data in multiple countries, including Myanmar, Lesotho, Tanzania, Ethiopia, and the Philippines. She has also trained international journalists to use DHS data accurately in reporting. She has a special interest in data visualization. Ms. Nybro has an M.P.H. in global maternal and child health from The University of North Carolina at Chapel Hill.




Senior Advisor for Research and Analysis

Dr. Pullum directs the research program, including the analysis of DHS data beyond the country reports, such as the analytical studies, comparative reports, further analysis studies, and methodological reports. He also has overall responsibility for the fellows program and workshops. Current interests include maternal mortality and the measurement of child vulnerability. A continuing effort is the adaptation of demographic methods to statistical frameworks and software. His work with DHS has included methodological reports on data quality. He joined the DHS staff in 2011, following a lengthy career in academia, primarily at the University of Texas at Austin. Dr. Pullum has a Ph.D. in sociology from the University of Chicago.




Senior Medical Officer

Dr. Semenov is a medical doctor and public health and survey specialist with over 12 years of experience in providing technical assistance in all phases of population-based and health facility-based survey design and implementation, including surveys with biomarker testing. She has more than 17 years of experience in infant and young child feeding and mother and child care. Dr. Semenov also has considerable experience as a public health educator in Eastern Europe, Russia, Central Asia, Australia, and the United States, and she has contributed to more than 30 international workshops on public health. For the DHS Program, Dr. Semenov serves as regional coordinator and country manager for DHS and Service Provision Assessment (SPA) surveys. She works with survey stakeholders to develop the survey design and questionnaires, supervises survey staff to ensure timely and accurate survey results, and coordinates capacity-building activities for in-country survey staff. Dr. Semenov has a Ph.D. in medical science/hygiene from the Kazakhstan Academy of Nutrition and an M.D. in pediatrics from Alma-Ata State Medical Institute.



Regional Coordinator

Before joining The DHS Program, Dr. Guzman was the Chief of the Population and Development Branch at UNFPA, New York. Dr. Guzman brings to the regional coordinator role more than 25 years of experience in research, capacity strengthening, and data collection on population and health issues, including population dynamics and interlinkages with poverty, environment and climate change, aging and other related issues. Dr. Guzman has more than 15 years of experience in managerial and supervisory roles in international programs. Dr. Guzman has provided technical assistance to more than 30 countries, in Latin America, Africa and Asia and has extensive experience in translating data for non-technical audiences. Guzman has received several awards, including the 2017 IUSSP Laureate Award.


GUILLERMO ROJAS, Data Processing Director
ALBERT THEMME, Data Processing Deputy Director
WENJUAN WANG, Deputy Research Director
DEAN GARRETT, Biomarker and Laboratory Advisor
RUILIN REN, Sampling Coordinator
TREVOR CROFT, Capacity Strengthening Technical Coordinator
JOY FISHEL, HIV Coordinator
KIA REINIS, Quality Assurance Coordinator
BEN MAYALA, GIS Coordinator

Email addresses for The DHS Program staff are in this form: first name + last name
(Example: Jane Doe,