Principal Investigators

Erik K. Alexander, MD

Dr. Alexander is the Executive Director of Education and Chief of the Thyroid Section at Brigham & Women’s Hospital. He is a professor at Harvard Medical School where he also serves on the board of admissions. In addition to treating patients with thyroid disorders, Dr. Alexander researches advancements in thyroid nodule care and thyroid hormone demands during pregnancy. As the Executive Director of Education, Dr. Alexander chairs the BWH Education Committee and directs the BWH Principal Clinical Experience program.

Dr. Alexander is a graduate of Northwestern University’s Medical School and completed his residency and fellowship at Brigham and Women’s Hospital. He has co-chaired several national guidelines on the care of patients with thyroid disorders and served on the Board of Directors of the American Thyroid Association. Dr. Alexander is a Boston Magazine Top Doctor, and Castle Connolly America’s Top Doctor awardee.

Christopher Baugh, MD, MBA

Dr. Baugh is the Vice Chair of Clinical Affairs of the Emergency Department at Brigham & Women’s Hospital and Associate Professor of Emergency Medicine at Harvard Medical School. Dr. Baugh’s research focuses on Observation Medicine and accelerated diagnostic pathways. He recently served as Chair of the Observation Medicine Section of the American College of Emergency Physicians. Dr. Baugh served as the director of ED at the Brigham from 2015 to 2018.

Dr. Baugh completed his undergraduate degree at Johns Hopkins University and his medical degree from the University of Pennsylvania. He trained in Emergency Medicine at Brigham and Women’s & Massachusetts General Hospitals’ combined residency program. Dr Baugh has received numerous awards including the Alpha Omega Alpha and the Shore Award.

Alexandra Golby, MD

Dr. Golby is a Neurosurgeon, Director of Image-guided Neurosurgery, and Co-director of AMIGO (Advanced Multi-Modality Image Guided OR) at Brigham and Women’s Hospital. Her clinical practice is focused on treating patients with brain tumors and epilepsy, particularly those whose pathology is intimately involved with critical brain regions. Her research involves the development and application of preoperative and intraoperative imaging techniques to improve surgical care for patients with brain tumors.

Dr. Golby is a graduate of Stanford University School of Medicine and completed her residency at Brigham and Women’s Hospital. She has received both Boston Magazine’s Top Doctor award and Castle Connolly America’s Top Doctor award 9 times since 2011, and was awarded Top Doctor from the US News and World Report in 2011.

Marie McDonnell, MD

Dr. McDonnell is Chief of the Diabetes Section at Brigham and Women’s Hospital and Harvard Medical School. Dr. McDonnell’s research focuses on the health outcomes of diabetes care in the acute and ambulatory settings. In her role as Director of the Diabetes Program at Brigham Health, Dr. McDonnell provides clinical, academic, and administrative leadership of the hospital-wide diabetes program. Dr. McDonnell is a key faculty member for both the Medicine and Endocrinology training programs at Brigham and Women’s Hospital.

Dr. McDonnell is a graduate of Boston University’s School of Medicine, the New York Presbyterian Hospital-Columbia residency program, and the Endocrinology fellowship at Boston Medical Center. She has received recognition for her mentorship of junior faculty and is a Boston Magazine Top Doctor, and Castle Connolly America’s Top Doctor awardee.

Kei Ouchi, MD, MPH

Dr. Ouchi is a physician in the Department of Emergency Medicine, and the Head of ACEP Palliative Care Section Research at Brigham and Women’s Hospital, as well as an instructor of Emergency Medicine at Harvard Medical School. As a clinician, Dr. Ouchi treats Emergency Medicine and Internal Medicine patients. Dr. Ouchi’s research focuses on palliative care, or improving the quality of care for terminally ill patients.

Dr. Ouchi attended Georgetown University School of Medicine and completed his fellowship at Brigham and Women’s Hospital. Dr. Ouchi is one of few doctors passionate about both palliative care and emergency medicine. He currently has two scholarships for his work: The Fulbright U.S. Scholar Award and Sojourns Scholar Leadership Award.

Emily S. Ruiz, MD, MPH

Dr. Ruiz is the Academic Director at Mohs and Dermatologic Surgery Center, the Director of High-Risk Skin Cancer Clinic at Dana-Farber/Brigham and Women's Cancer Center, and an Assistant Professor of Dermatology at Harvard Medical School. Clinically, Dr. Ruiz is implementing new methods for evaluating squamous cell carcinomas during Mohs surgery. Her research focuses on a cost analysis of skin cancer, and the treatment outcomes of non-melanoma skin cancer.