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Core Faculty

The Core Faculty along with Drs. D’Onofrio and O’Connor are expert researchers and mentors. They will be responsible for assuring the overall progress of all scholars and that all individual scholar milestones and programmatic objectives are met. They will assign research and academic mentors to each scholar, teach core K12 coursework, provide oversight, and may also serve as an individual scholar’s research and/or academic mentor.

Frequently Asked Questions

Steven L. Bernstein, MD
Steven L. Bernstein, MD, Professor and Vice Chair for Academic Affairs in the Department of Emergency Medicine at Yale, has a long history of externally supported, research, with $7 million in grants for tobacco research from NIH and other funders. His research pioneered the delivery of screening and treatment interventions for tobacco users in the hospital emergency department. His current study tests the efficacy of a multicomponent intervention for smokers in the ED. His research in tobacco control and other public health topics has been supported by the National Cancer Institute, NIDA, the Agency for Healthcare Research and Quality, the Centers for Disease Control and Prevention, the RWJ Foundation, and the American Legacy Foundation. Dr. Bernstein has participated in the RWJ Clinical Scholars Program, first as a fellow and now as an advisor and mentor. He is also a member of the Cancer Prevention Group of the Yale Cancer Center, and a member of the Center for Nicotine and Tobacco Use Research at Yale (CENTURY). Dr. Bernstein has served as a mentor for numerous residents, fellows, and junior faculty. He currently serves as mentor for two junior faculty with career development awards in smoking cessation (both K23s from NIDA, for an assistant professor at UMDNJ, and another at Einstein). He is currently submitting a diversity supplement to his R01 in collaboration with a Yale EM resident. In his current role as Vice Chair for Academic Affairs in the DEM, he is responsible for all educational programs of the department, as well as career mentoring for junior faculty.
James Dziura, PhD MPH
James Dziura, PhD MPH, Professor in Emergency Medicine and the Deputy Director of the Yale Center for Analytical Sciences, is trained in epidemiology, biostatistics and research design. He has a long history of scientific collaboration across the medical school campus. Dr. Dziura has been noted for his contribution to training young clinical investigators since he joined the faculty at Yale in 2002. He teaches a graduate school introductory course on biostatistics in clinical research and is a recurrent invited lecturer in the Principles of Clinical Research course in the Investigative Medicine Program. In addition, Dr. Dziura has mentored several K-awardees and post-doctoral trainees as part of the Yale Center for Clinical Investigations Clinical Scholars program. He has also delivered several doctoral level seminars/workshops in topics such as clinical epidemiology, research design and biostatistics. In his capacity with the Yale Center for Analytical Sciences and the Yale Center for Clinical Investigation, he has mentored postdoctoral, doctoral and masters’s level students and has been a valuable resource to junior faculty throughout the medical school. He will provide a conduit to specific areas of analytical expertise in the School of Public Health and the Department of Statistics.
David Fiellin MD
David Fiellin, MD, Professor of Medicine, Investigative Medicine and Public Health at Yale University, is Director of the Community Research and Implementation Core and Associate Director of the Clinical and Health Services Research Core at the Yale Center for Interdisciplinary Research on AIDS. He is Principal Investigator on both NIDA and NIAAA funded trials and is Chair of the Alcohol and Behavior Change Core on the Veterans Aging Cohort Study. He previously served as Co-Investigator on the Buprenorphine in HIV Primary Care National Evaluation and Support Center (BHIVES). He has served as mentor or co-mentor on 5 NIH Career Development Awards and is on the Yale Center for Clinical Investigation’s (CTSA) Career Oversight Committee. Dr. Fiellin is a general internist with training in clinical epidemiology and certification in Addiction Medicine. He has focused his scholarly work on the interface between primary care and substance abuse. He has conducted research on the transfer of treatment strategies, including opioid agonist maintenance with methadone and buprenorphine, from specialized settings to office-based, primary care, Emergency Department and HIV specialty settings. He has served on the White House Office of National Drug Control Policy, Drug Control Research, Data, and Evaluation Advisory Committee, and the World Health Organization and United Nations Office on Drugs and Crime Technical Guideline Development Group for psychosocially assisted pharmacologic treatment of opioid dependence. He has extensive experience mentoring medical students, postgraduate fellows and junior faculty members and is core faculty in the doctoral Investigative Medicine Program at Yale where he is Co-Director of the Principles of Clinical Research (IMED 625), Seminars in Clinical Investigation (IMED 650) and Writing Your First Grant Proposal (IMED 655) courses. He is affiliated faculty in the RWJF-CSP and the Division of Addictions, both at Yale. He is Co-Editor of the Principles of Addiction Medicine, 4th Edition, Alcohol, Other Drugs & Health: Current Evidence. He serves on the Editorial Boards of Substance Abuse and the Journal of Addiction Medicine and has served on the Board of Directors of the College on Problems of Drug Dependence and as Co-Chair of the Substance Abuse Task Force for the Society of General Internal Medicine.
Lynn E. Fiellin (Sullivan), MD
Lynn E. Fiellin MD, Associate Professor of Medicine, has completed five years as a NIDA Physician Scientist at Yale University School of Medicine and is ABAM-certified in Addiction Medicine. She has been an HIV provider in Yale’s Nathan Smith Clinic for the past 15 years. She has extensive experience in treating both HIV-positive and HIV-negative patients with addictive disorders and concurrent sexual risk behaviors. With funding from the RWJ Foundation, she directed a primary care-based clinical trial of buprenorphine in conjunction with HIV counseling and testing in order to reduce HIV risk. She was also Co-Principal Investigator on a HRSA-funded study of buprenorphine implementation in a HIV specialty setting at Yale-New Haven Hospital. She was the Chair of the Society of General Internal Medicine’s (SGIM) HIV/AIDS Task Force and a Co-Investigator on a CDC-funded grant to SGIM to develop and disseminate an HIV counseling and testing program to primary care providers to help reduce barriers to early diagnosis of HIV infection and increase access to prevention services. She is currently the Principal Investigator on an NIAAA-funded five-year R01 grant assessing the use of injectable naltrexone coupled with psychosocial counseling to treat heavy drinking in HIV-infected patients. In addition, she is PI on an NICHD-funded five-year R01 grant that focuses on the development and testing of an interactive videogame for the purposes of training young at-risk teens in making healthy decisions around sexual risk and drug/alcohol use in order to decrease their likelihood of HIV infection.
Janet Tate, MPH, ScD

Janet P. Tate, MPH, ScD, Associate Research Scientist in the Department of General Internal Medicine and the Director of the Veteran Aging Cohort Study Biostatistics Core. She will serve as a member of the Yale-DAHRS Core Faculty on this project. Dr. Tate’s research is focused in the area of HIV and Veterans with HIV. She joined the Veterans Aging Cohort Study (VACS) in 2008 as a biostatistician and was appointed to the Yale faculty in April 2011. Dr. Tate has since become the Director of the VACS Biostatistics Core and supervises a staff of biostatisticians and represents VACS on three major international collaborations and present the work to international venues such as the International Workshop on HIV Observational Databases. She will be a member of the Yale-DAHRS Core Faculty and guide the research designs of the scholar projects and development of research funding proposals.

Federico Vaca, MD, MPH

Dr. Federico Vaca is a Professor and Vice Chair of Faculty Affairs in Yale School of Medicine's Department of Emergency Medicine, Director of the Developmental Neurocognitive Driving Simulation Research Center (DrivSim Lab), and he holds a secondary appointment in the Yale Child Study Center. Dr. Vaca previously served as a Medical Fellow for the U.S. Department of Transportation’s National Highway Traffic Safety Administration in Washington, D.C. He serves on the Transportation Research Board of the National Academies’ Committee on Operator Education and Regulation, ANB30 and its Young Driver Subcommittee. Dr. Vaca was a recent Collaborating-Visiting Scholar at the NIH-Eunice Kennedy Shriver National Institute of Child Health & Human Development, Division of Intramural Population Health Research, Health Behavior Branch.