Center for Health Impact Evaluation
Chief Science Office
Los Angeles County Department of Public Health
313 N. Figueroa St., Rm 608
Los Angeles, CA 90012
Phone: (213) 288-8552
Fax: (213) 250-2594
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Will Nicholas Ph.D. M.P.H.
Director, Health Impact Evaluation
Dr. Nicholas joined the LA County Department of Public Health (DPH) in October 2015.
Before joining DPH, he spent five years as a researcher and lecturer at the UCLA Fielding School of Public Health.
Prior to that he spent three years as Director of Research at the California Endowment,
six years as Senior Research Analyst at First 5 LA, and two years as Associate Policy Analyst at the Rand.
Dr. Nicholas received a B.A. in Spanish Literature from the University of California, Berkeley;
an M.A. in Latin American Studies and M.P.H. in Population and Family Health from UCLA; and a Ph.D. in Health Policy from Yale University.
Emily Caesar, MPH, MSW
Emily is the Project Manager for the Center for Health Impact Evaluation. She received her BA in Psychology from the University of California, Berkeley and holds Masterís degrees in Social Work and Public Health from Washington University in St. Louis where her studies focused on youth development and program development, implementation, and evaluation.
Vidyanti, M.Eng, Ph.D.
is a Data Scientist/Modeler. She
received her BA/MEng/MA(Cantab) in Information and Computer
Engineering at Cambridge University and a PhD in Industrial
and Systems Engineering from the University of Southern
Her role in the Unit is to use data science approaches (such as predictive analytics or forecasting),
perform economic evaluation, build or adapt simulation/decision
models, and to develop methodological approaches to assist in
our analyses, evaluations, and health impact assessments.
Her work is crucial in improving operations and developing a more complete
understanding of the short- and long-term impact of policies
and programs that affect population health.
Faith Washburn, MPH
Faith is an Epidemiology Analyst. She is currently enrolled in an DrPH Implementation Science program at Johns Hopkins, received her MPH in Epidemiology from Georgia State University and her BS in Health Sciences from Armstrong State University. Before working for the Center for Health Impact Evaluation (CHIE), she was an epidemiologist for the CDCís Division of Global Migration and Quarantine (DGMQ) and Division of Global Health Protection (DGHP). Her primary role at CHIE is to analyze and interpret data included in Health Impact Assessments (HIAs) and project evaluations. She ensures that data is translated accurately and communicated meaningfully.
Lisa Greenwell, Ph.D.
Research Analyst III, Behavioral Sciences
Lisa earned a Ph.D. in Sociology from Indiana University and completed a post-doctoral fellowship in Population Studies at RAND. Prior to working on data analyses, public health-related research, and health impact assessments for the County of Los Angeles, she taught and did research at several universities and was a Senior Statistician at UCLA.