Epidemiologic methods

Marissa Seamans, PhD, MSPH, is an Assistant Professor in the Department of Epidemiology. Dr. Seamans’ research focuses on the intersection of social epidemiology and pharmacoepidemiology to address substance use and mental health. Her work explores the use of large healthcare databases to examine prescription drug use in families and the effectiveness of treatments for mental health and substance use disorders. Methodologically, Dr.

Dr. Joseph Davey's research focuses on how best to prevent and treat HIV and other sexually transmitted infections in peri-conception, pregnant women and couples, as well as other vulnerable populations. She has expertise in study design and use of epidemiological methods to inform interventions aimed at reducing the burden of HIV and related diseases on women, children, and families.

Roch Nianogo is an Assistant Professor in the Department of Epidemiology at the UCLA Fielding School of Public Health. He is a physician and scientist of preventive medicine and epidemiologist. Dr. Nianogo’s research strives to help reduce the burden of preventable chronic diseases, promote the health and wellbeing of patients and populations, especially those most vulnerable, and assist clinical, public health and policy decision-making. To this end, Dr. Nianogo has developed research interests that are both methodological and substantive in nature.

Elizabeth Rose Mayeda, PhD, MPH, is an Assistant Professor in the Department of Epidemiology. Dr. Mayeda's research focuses on how to prevent or delay cognitive aging, Alzheimer’s disease and related dementias, stroke, and other health outcomes in older adults. She is especially interested in social inequalities in healthy aging. Much of her current work focuses on identifying the origins of racial/ethnic inequalities in aging. Dr.