Zackary D. Berger, MD, PhD, is an internist and epidemiologist and an Assistant Professor in the Department of General Internal Medicine at Johns Hopkins School of Medicine, with joint appointments in the Department of Health, Behavior and Society at the Johns Hopkins Bloomberg School of Public Health and in the Berman Institute for Bioethics at Johns Hopkins. His research interests include the patient-relevant effects of public reporting, patient-doctor communication, overuse, and the exercise of patient autonomy in the context of limited clinical information; among his clinical interests are the treatment of depression, anxiety, and low-risk prostate cancer. He is currently conducting a pioneering qualitative study of doctor-patient communication in the hospital, focusing on patients’ dialogues with their physicians. In addition, he has published on the importance of doctor-patient communication to patient satisfaction and on physician professionalism as it interacts with patient choice, and conducted research on how doctors and patients collaboratively set an agenda during the primary care visit. Dr. Berger is also Core Faculty in the Johns Hopkins Evidence-Based Practice Center (EPC) and the Johns Hopkins Center for Health Sciences and Outcomes Research. He has focused on patient-reported outcomes as a co-investigator on numerous systematic reviews, including those of continuous glucose monitoring and of treatments for Crohn’s disease. In addition, he was lead author of the chapter on patient and family engagement in a recent EPC critical analysis of patient safety practices. Dr. Berger maintains an internal medicine practice in the Johns Hopkins Outpatient Center and is a preceptor in the Adult Medicine housestaff clinic there. He is actively involved in applying methods of quality improvement to the outpatient setting.