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Quality of Care

Michelle S. Keller

Dr. Keller is an Adjunct Assistant Professor in the Department in Health Policy and Management. Her primary appointment is at the Division of General Internal Medicine in the Department of Medicine at Cedars-Sinai Medical Center. Dr. Keller uses methods from epidemiology, behavioral economics, and sociology to examine how clinicians, patients, and caregivers make decisions about medications, surgeries, and treatment plans – and how informatics and health system interventions can be used to improve clinician decision-making.

Xi Zhu

Xi Zhu photo

Xi Zhu, PhD, is an Associate Professor and the Paul Torrens Chair in Healthcare Management in the Department of Health Policy and Management at the UCLA Fielding School of Public Health. Dr. Zhu received his PhD in Sociology from the University of Minnesota. His research focuses on micro and macro organizational behaviors in healthcare delivery systems.

Risha Gidwani

Dr. Gidwani is a health economist whose research evaluates both the costs and health outcomes associated with healthcare services. Her work focuses on the impact of benefit design on quality of care and patient financial burden. She has been Principal Investigator on several grants aimed at studying the value of cancer care and/or end-of-life care. Dr. Gidwani uses a variety of methods to study the costs and outcomes associated with health service utilization, including techniques for causal inference from observational data and decision analysis. Dr.

Brennan Spiegel

Brennan Spiegel, MD, MSHS, is director of Health Services Research for Cedars-Sinai and Professor of Medicine and Public Health at UCLA. He directs the Cedars-Sinai Center for Outcomes Research and Education (CS-CORE), a multidisciplinary team that investigates how digital health technologies; including wearable biosensors, smartphone applications, virtual reality (VR) and social media; can strengthen the patient-doctor bond, improve outcomes and save money.

John Peabody

Dr. Peabody is a Professor at the University of California and the Deputy Director of the Institute for Global Health. Dr. Peabody has been a member of the departments of medicine, epidemiology and biostatistics, and health services at the University of California since 1995. He is also the senior vice president and chief medical officer for Sg2 a health care intelligence company based in Chicago that works with health leaders and scientists in the US and around the world. As an experienced clinician, academician and executive, Dr.

Ron D. Hays

Ron Hays is a Professor of Medicine and a Professor of Health Policy and Management. He specializes in research and teaching courses in health-related quality of life, patient experience with healthcare, and health-related behavior. Dr. Hays received his Ph.D. from UC Riverside. He is a Principal Investigator of the Consumer Assessment of Healthcare Providers and Systems (CAHPS®) project and studies of health-related quality of life.

Lillian Gelberg

Dr. Gelberg is a family physician, health services researcher, and professor in UCLA’s Department of Family Medicine and Fielding School of Public Health and the VA Greater Los Angeles Healthcare System. She is an elected member of the Institute of Medicine of the National Academy of Sciences and associate director of the UCLA Primary Care Research Fellowship. Her current research focuses on clinical trials to reduce risky drug use and promote healthy lifestyle change in low income populations using leading behavior change methodologies supported by wireless technology.

Dylan Roby

Dylan H. Roby, PhD, is faculty associate at the UCLA Center for Health Policy Research. He is also an adjunct associate professor in the Department of Health Policy and Management in the UCLA Fielding School of Public Health and is the Director of the Division of Health Policy and an Associate Professor of Health, Society, and Behavior at the UC Irvine Program in Public Health.

Jack Needleman

Dr. Jack Needleman, PhD, FAAN, is a professor in the Department of Health Policy and Management at the University of California Los Angeles (UCLA) Fielding School of Public Health. He teaches courses in health policy in the master’s programs and research design and research methods to doctoral and MS students, and has previously taught program and policy evaluation and health politics. He received his Ph.D. in Public Policy from Harvard University.

Bruce Davidson

Bruce Davidson

Bruce Davidson is an Adjunct Assistant Professor in the Department of Health Policy and Management, where he taught the Quality Improvement course in the Executive Master of Public Health program for nine years.  With 40 years of experience in health services delivery and evaluation, Dr. Davidson currently consults to healthcare and human service organizations nationwide.


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