Joshua Petimar

Research Fellow

Joshua Petimar, ScD is a research fellow working with Jason Block to evaluate the effects of public health nutrition policies on diet quality.

Marcia Pescador Jimenez

Research Fellow

Marcia Pescador Jimenez joined Coral as a postdoctoral fellow. Her research focuses on addressing the influence of geographic contextual factors throughout the life-course, including access to green space, on cardiovascular health and health disparities. In related research, Marcia aims to understand the multi-level and multi-factorial determinants of chronic diseases and their differential risk of mortality. Prior to coming to Harvard, Marcia graduated from a PhD in Epidemiology from the Brown University School of Public Health.

Diana Juvinao-Quintero

Research Fellow

Diana Juvinao-Quintero, recently completed her PhD in Epigenetic Epidemiology at the Bristol Medical School, University of Bristol, UK, focused on epidemiological studies in Type 2 diabetes using epigenetic risk factors and causal inference methods. Diana received her Master’s in Molecular Genetics and Diagnostics of Human Diseases from the University of Nottingham, UK.

Dongdong Li

Research Fellow

Dongdong Li is a research fellow at Harvard Pilgrim Health Care Institute. Prior to joining the Institute, Dongdong pursued her PhD in Statistics from Simon Fraser University under the supervision of Dr. X. Joan Hu. She was a recipient of the NSERC Postgraduate Scholarship (Doctoral). Her statistical research interests lie in the development of methodology for analysis of complex data. Her recent work has been on incomplete event history data under informative censoring, and pseudo-likelihood based approaches.

Tom Chen

Research Fellow

Tom Chen is a postdoctoral Pyle Fellow at Harvard Pilgrim Health Care Institute. Tom received his undergraduate degree in Finance and Biostatistics from Cornell University. Afterwards, Tom pursued his PhD at Harvard University under the tutelage of Rui Wang. Tom's research interests include a variety of methodological issues regarding cluster randomized trials, including robust estimation procedures and stepped wedge designs, and methodological issues regarding statistical computing, including stochastic approximation algorithms.

Young Hee Nam

Research Fellow

Young Hee Nam, PhD, is a Research Fellow in the Therapeutics Research and Infectious Disease Epidemiology (TIDE) group at the Department of Population Medicine at Harvard Medical School and Harvard Pilgrim Health Care Institute. Her research has focused on pharmacoepidemiology, particularly on the effectiveness and safety of pharmaceuticals, drug-drug interactions, and weather-drug interactions, as well as health policies related to pharmaceuticals. Dr.

Alon Peltz


Alon Peltz, MD MBA MHS is a pediatrician and health services researcher who investigates the impact of health insurance design on cost, quality, and affordability. He received his MD and MBA degrees from Vanderbilt University and his clinical training at Boston Children’s Hospital and Boston Medical Center. Dr.

Mohammad Rahman

Research Fellow

Mohammad L. Rahman, ScD, MBBS, MPH, received his medical degree from Dhaka Medical College of University of Dhaka, Bangladesh, and his master’s degree in environmental health from Texas A&M University Health Sciences Center and Doctor of Science degree in environmental epidemiology from Harvard University TH Chan School of Public Health.