Our Directors
Peter Angelos, MD, PhD
Linda Kohler Anderson Professor of Surgery
Chief , Endocrine Surgery
Director , MacLean Center for Clinical Medical Ethics
Peter Angelos, MD, PhD, the Linda Kohler Anderson Professor of Surgery and the Chief of Endocrine Surgery at the University of Chicago. In April 2022, Dr. Angelos became the Director of the MacLean Center for Clinical Medical Ethics, and he has written widely on ethical issues in surgical practice and how to best teach medical ethics to surgical residents. An accomplished surgeon, Dr. Angelos has published many journal articles and book chapters on his research into improving outcomes of thyroid and parathyroid surgery, minimally invasive endocrine surgery, and best practices for thyroid cancer treatment.
Megan Applewhite, MD, MA
Associate Director of MacLean Center for Clinical Medical Ethics
Associate Professor of Surgery with a clinical focus on endocrine surgery
Dr. Applewhite received her medical degree from Albany Medical College in Albany, NY and her surgical training at Lahey Hospital and Medical Center. She completed her Endocrine Surgery clinical and research fellowships here at the University of Chicago along with a Clinical Ethics Fellowship in the MacLean Center.
She is renowned in the surgical management of complex thyroid, parathyroid, benign and malignant endocrinopathies and adrenal disease. She has research interest that include vulnerable patient populations (incarcerated and psychiatric patients), quality of life after thyroid and parathyroid surgery, communication in the end-of-life care, military medical ethics, informed consent, as well as the surgeon patient relationship.
Dr. Applewhite is passionate and active in implementing ethics teaching for medical students and general surgery residents. She has presented both nationally and internationally at recognized conferences and has been published in various high impact journals including Journal of American College of Surgeons, American Journal of Surgery, AMA Journal of Ethics, and Annals of Surgical Oncology.
Marshall Chin, MD, MPH
Richard Parrillo Family Professor of Healthcare Ethics in the Department of Medicine
Associate Chief and Director of Research , Section of General Internal Medicine
Associate Director , MacLean Center for Clinical Medical Ethics
Director , Chicago Center for Diabetes Translation Research
Director , Finding Answers: Disparities Research for Change
Dr. Chin is the Richard Parrillo Family Professor of Healthcare Ethics in the Department of Medicine at the University of Chicago. He is a general internist and health services researcher with extensive experience improving the care of vulnerable patients with chronic disease. Dr. Chin is Director of the Robert Wood Johnson Foundation (RWJF) Finding Answers: Disparities Research for Change National Program Office and Director of the Chicago Center for Diabetes Translation Research at the University of Chicago. He is leading the evaluation of a Commonwealth Fund project that is implementing the patient-centered medical home in 65 safety net clinics across five states. He is also improving diabetes care and outcomes on the South Side of Chicago through health care system and community interventions supported by grants from NIDDK and the Merck Foundation. Dr. Chin serves on AcademyHealth’s Board of Directors, the CDC Community Preventive Services Task Force, and the editorial board of Health Services Research. He has chaired PCORI’s Addressing Health Disparities Review Panel and won mentoring awards from the Society of General Internal Medicine and University of Chicago. Dr. Chin is a graduate of the University of California at San Francisco School of Medicine and completed residency and fellowship training in general internal medicine at Brigham and Women’s Hospital, Harvard Medical School.
Monica Peek, MD, MPH
Associate Professor of Medicine , University of Chicago
Associate Director , Chicago Center for Diabetes Translational Research
Associate Director (Director of Research) , MacLean Center for Clinical Medical Ethics
Monica Peek, MD, is an Assistant Professor in the Division of General Internal Medicine at the University of Chicago where she provides clinical care, teaches and does health services research in the area of health disparities. She received her medical degree and master’s degree in public health from the Johns Hopkins University, and completed her residency training at Stanford University Hospital. She then worked for the National Health Service Corps for two years at a community health center for the medically underserved in Ohio before relocating to Chicago. Dr. Peek is an inaugural faculty fellow of the Bucksbaum Institute for Clinical Excellence at the University of Chicago, where she studies shared decision-making among racial/ethnic minorities, and the Associate Director of the Chicago Center for Diabetes Translation Research. Dr. Peek is currently the Principal Investigator of grants from the Merck Company Foundation and NIH/NIDDK to improve diabetes care and outcomes among residents on the South Side of Chicago, a predominantly African-American working class community with significant racial/ethnic disparities in diabetes health outcomes.
Micah Prochaska, MD, MSc
Associate Director of the MacLean Center for Clinical Medical Ethics
Co-Director of MacLean Center Ethics Consult Service
Associate Director of the University of Chicago Hospitalist Project
Associate Director of the Hospitalist Scholars Training Program
Assistant Professor of Medicine , Section of Hospital Medicine
Dr. Prochaska is an Assistant Professor of Medicine in the Section of Hospital Medicine and has, since 2022, been Co-Director of the MacLean Center Ethics Consultation service along with Dr. Will Parker.
Dr. Prochaska obtained his B.A. in History, Philosophy, Social Studies of Medicine from the University of Chicago. He completed his medical degree at Wright State University Boonshoft School of Medicine and his residency in Internal Medicine at the University of Chicago. In addition to completing a fellowship in Clinical Medical Ethics at the MacLean Center, Dr. Prochaska also received a master’s degree in Public Health Science from the University of Chicago
Dr. Prochaska is an active clinical investigator who is supported by grants from the National Heart, Lung, and Blood Institute to study how red blood cell transfusion for hospitalized patients with anemia affects their fatigue, activity, and fatigability levels after they have been discharged from the hospital. Dr. Prochaska is also Co-Investigator of the University of Chicago Hospitalist Project research infrastructure, the University of Chicago Translational Medicine Program (CTMP), and the Cultivating Health & Aging Researchers by Integrating Science, Medicine, & Aging (CHARISMA) Program, which all train undergraduate students in clinical and translational research.
In addition to continuing his leadership role in the Ethics Consultation Service, Dr. Prochaska will be playing a central role in the Center’s plans to develop a master’s degree program in clinical medical ethics that we hope to launch in the near future. He has been instrumental in our efforts to move this program from an idea to a concrete proposal.
Mark Siegler, MD, MACP
Lindy Bergman Distinguished Service Professor of Medicine and Surgery
Executive Director , Bucksbaum Institute for Clinical Excellence
Former Founding Director , MacLean Center for Clinical Medical Ethics
Mark Siegler is the Lindy Bergman Distinguished Service Professor of Medicine and Surgery at the University of Chicago and the former Founding Director of the University of Chicago’s MacLean Center for Clinical Medical Ethics. In 2011, Dr. Siegler was appointed the Executive Director of The Bucksbaum Institute for Clinical Excellence, a new institute that aims to improve patient care and patient outcomes. Dr. Siegler has practiced and taught internal medicine for more than forty-five years. He has published more than 200 journal articles, 50 book chapters and five books. His textbook, co-authored with Al Jonsen and William Winslade, Clinical Ethics: A Practical Approach to Ethical Decisions in Clinical Medicine, 8th Edition (2015), is widely used by physicians and health professionals around the world.