Onyebuchi ("Onyi") Arah, MD, MSc, MPH, DSc, PhD, is a Professor of Epidemiology at the Fielding School of Public Health and an Affiliated Professor in the Department of Statistics and Data Science. He has been an Associate Dean at UCLA's Division of Graduate Education. He has served as President-Elect, President, and Past-President of the Society for Epidemiologic Research (SER). He is the Co-Director of the Practical Causal Inference Lab at UCLA. An internationally renowned scholar, he is also Honorary Skou Professor at Aarhus University in Denmark.

Lara J. Cushing’s research focuses on the racial justice implications of disparities in exposure to environmental health hazards in the U.S. She has assessed the health consequences of environmental and climate-related exposures for pregnant women and infants, and used epidemiological and geospatial methods to investigate questions of environmental justice in the context of urban greenspace, man-made chemicals, oil and gas development, drinking water quality, extreme heat and sea level rise.

Dr. Crespi's research areas include cancer prevention and control, cancer epidemiology, cancer survivorship, HIV, obesity, nutrition, physical activity, health disparities, health psychology and quality of life. Her statistical methodology interests include design and analysis of cluster randomized trials and other intervention studies, sample size and power analysis, and longitudinal modeling of chronic disease processes. Dr.