Public Health

Susan Busch
Professor of Public Health (Health Policy)

Professor Busch is a Professor of Public Health (Health Policy) and former chair of the Department of Health Policy and Management at the Yale School of Public Health. Professor Busch’s research examines the effects of policies and regulations on health care cost and quality. Most of her work focuses on behavioral health. Professor Busch’s work has been funded by the National Institute of Mental Health, the National Institute of Drug Abuse and the Robert Wood Johnson Foundation. She has an undergraduate degree from the University of Michigan, an S.M.

Xi Chen
Associate Professor, School of Public Health

Professor Chen is a health and development economist. He recently completed his Ph.D. in applied economics at Cornell. His research seeks to better understand how social interactions affect health behavior and outcomes, how socioeconomic status drives social competition. Most of his current work draws on primary data from China.

Curriculum Vitae

Ted Cohen
Professor of Epidemiology (Microbial Diseases)

Dr. Cohen is an infectious disease epidemiologist whose primary research focus is tuberculosis. He is particularly interested in understanding how TB drug-resistance and medical comorbidities such as HIV frustrate current efforts to control epidemics, with an ultimate goal of developing more effective approaches to limit the morbidity caused by this pathogen. Dr. Cohen’s training is in epidemiology and clinical medicine, and his work includes mathematical modeling, fieldwork, and analysis of programmatic data.

Abigail Friedman
Associate Professor of Public Health (Health Policy)

Abigail S. Friedman is an Associate Professor in the Department of Health Policy and Management at the Yale School of Public Health. Her research focuses on the policy determinants of tobacco use and disparities therein, with the overarching goal of informing and facilitating evidence-based policymaking to improve population health and reduce inequality. A health economist by training, she conducts work in three areas.

Edward Kaplan
William N. and Marie A. Beach Professor of Operations Research, Professor of Public Health & Professor of Engineering

Professor Kaplan’s research has been reported on the front pages of the New York Times and the Jerusalem Post,  editorialized in the Wall Street Journal, recognized by the New York Times Magazine’s Year in Ideas, and discussed in many other major media outlets. The author of more than 125 research articles, Professor Kaplan received both the Lanchester Prize and the Edelman Award, two top honors in the operations research field, among many other awards.

Becca Levy
Professor of Public Health (Social and Behavioral Sciences) and Psychology; Affiliated Faculty, Yale Institute for Global Health

Dr. Levy’s research explores psychosocial factors that influence older individuals’ cognitive and physical functioning, as well as their longevity. She is credited with creating a field of study that focuses on how positive and negative age stereotypes, which are assimilated from the culture, can have beneficial and adverse effects, respectively, on the health of older individuals.Her studies have been conducted by longitudinal, experimental, and cross-cultural methods.

Chima Ndumele
Associate Professor of Public Health (Health Policy)

Chima Ndumele is an Associate Professor of Public Health (Health Policy) at the Yale School of Public Health. His research is focused on better understanding factors which influence the way vulnerable populations connect with and access health care resources. Specifically, he conducts work in three areas. The first examines how changes in local policy environment impact the care received by Medicaid enrollees. The second area explores how safety-net organizations can improve health care services delivery.

A. David Paltiel
Professor of Public Health (Health Policy); Professor of Management; Co-Director, Public Health Modeling Concentration; Affiliated Faculty, Yale Institute for Global Health

The objective that guides Dr. Paltiel’s scholarly activities is to promote a reasoned approach to decision making and resource allocation in public health and medicine. Trained in the field of Operations Research, Dr. Paltiel designs and implements policy models and cost-effectiveness analyses. He has a special interest and expertise in HIV/AIDS and has published broadly on the cost-effectiveness of testing, prevention, treatment, and care, both in the United States and around the world.

Joseph Ross
Professor of Medicine (General Medicine) and Public Health (Health Policy and Management)

Joseph S. Ross, MD, MHS, is a Professor of Medicine (General Medicine) and of Public Health (Health Policy and Management), a member of the Center for Outcomes Research and Evaluation (CORE) at the Yale-New Haven Hospital, and an Co-Director of the National Clinician Scholars program (NCSP) at Yale.

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