Harvard Health Experts and Contributors

List of Experts

photo of Ashish K. Jha, MD, MPH

Ashish K. Jha, MD, MPH

Contributing Editor

Ashish K. Jha, M.D., M.P.H. is Director for the Harvard Global Health Institute, K.T. Li Professor of International Health & Health Policy at the Harvard T.H. Chan School of Public Health, Professor of Medicine at Harvard Medical School, and a practicing Internal Medicine physician at the VA Boston Healthcare System. Dr. Jha received his M.D. from Harvard Medical School and trained in Internal Medicine at the University of California, San Francisco where he also served as Chief Medical Resident. He completed his General Medicine fellowship from Brigham and Women’s Hospital and Harvard Medical School and received his M.P.H. from Harvard T.H. Chan School of Public Health. Dr. Jha’s major research interests lie in improving the quality and costs of healthcare with a specific focus on the impact of policy efforts. His work has focused on a broad set of issues including transparency and public reporting of provider performance, financial incentives, health information technology, and leadership, and the roles they play in fixing healthcare delivery systems.
Read more about Ashish K. Jha, MD, MPH
photo of Tien Jiang, DMD, MEd

Tien Jiang, DMD, MEd


Tien Jiang, DMD, MEd, is an assistant professor in the department of oral health policy and epidemiology at the Harvard School of Dental Medicine (HSDM). As a prosthodontist, Dr. Jiang teaches in the HSDM predoctoral preclinic and clinic, and practices in Littleton, MA. Dr. Jiang’s interests include interprofessional education and practice, health literacy, patient education, and curricular reform. Dr. Jiang is the 2023 recipient of the Harvard School of Dental Medicine Fellowship in honor of Aina M. Auskaps, DMD, for her work in health communication and patient education. Dr. Jiang earned her doctor of dental medicine degree at HSDM. Afterward, she moved to the Midwest to specialize in prosthodontics at the University of Illinois at Chicago. Dr. Jiang also completed a master's of education in instructional leadership at UIC College of Education.
Read more about Tien Jiang, DMD, MEd
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Anthony Joseph, MD


Anthony Joseph, MD, specializes in the medical, laser and surgical treatment of conditions that affect the retina and vitreous. His areas of expertise and interest include macular degeneration, diabetic eye disease, retinal vascular occlusions, macular holes, epiretinal membranes, retinal detachments, and proliferative vitreoretinopathy.   Prior to medical school, Dr. Joseph attended Stanford University where he earned bachelor’s degrees with distinction in both Biological Science and Economics. He also earned his Master’s degree in Information Science from University of North Carolina at Chapel Hill.   Dr. Joseph received his medical degree from Duke University School of Medicine. He completed his Internship in ophthalmology at St. Joseph Mercy Hospital in Ann Arbor, MI and his ophthalmology residency at the Jules Stein Eye Institute, University of California at Los Angeles. He went on to complete his fellowship training in vitreoretinal surgery at Ophthalmic Consultants of Boston and the New England Eye Center at Tufts Medical Center.   Dr. Joseph is a Board-certified ophthalmologist and member of the American Academy of Ophthalmology, the American Medical Association, the American Medical Informatics Association, and the Association for Research in Vision and Ophthalmology. He has authored numerous research articles and has presented his work nationally.
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photo of Richard Joseph, MD

Richard Joseph, MD


Dr. Richard Joseph is the founder of VIM Medicine, cofounder of Vital CxNs, a practicing clinician in the Center for Weight Management and Wellness at Brigham and Women’s Hospital in Boston, MA, and a faculty member at Harvard Medical School. He completed his residency in primary care/internal medicine at Brigham and Women's Hospital after receiving his medical and business degrees from Stanford University. Dr. Joseph designed and currently conducts an intensive group-based lifestyle program, and is a coauthor of The Lifestyle Medicine Handbook: An Introduction to the Power of Healthy Habits. Prior to his medical training, Dr. Joseph worked as a CSCS-certified personal trainer, helping numerous clients toward their health and fitness goals. His background in athletics and performance training, combined with his practice of lifestyle medicine and weight management, informs his vision of holistic health and well-being. Dr. Joseph aspires to help bridge the gap between the health and fitness industry and traditional health care to create a prevention-oriented, performance-focused, community-centric, and equitable model of care.
Read more about Richard Joseph, MD
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Michaela Kane


Michaela Kane is an intern with Harvard Health Publishing. Prior to working at Harvard, she was a writing intern at the Brigham and Women’s Hospital Communication and Public Affairs office. Michaela received her B.A. from the University of Arizona where she studied journalism and neuroscience, and she recently earned her master’s degree in science journalism from Boston University.
Read more about Michaela Kane
photo of Tsuyoshi Kaneko, MD

Tsuyoshi Kaneko, MD


Tsuyoshi Kaneko, MD, is a cardiac surgeon at Brigham and Women’s Hospital (BWH) and an assistant professor of surgery at Harvard Medical School. Dr. Kaneko received his medical degree from Keio University School of Medicine in Tokyo. He then completed three residency programs: one at Keio University, another in surgery at The University of Texas Health Science Center at Houston and the third in cardiothoracic surgery residency at BWH. He also completed a cardiothoracic surgery fellowship at BWH. He is board certified in general surgery. He specializes in endovascular approaches in cardiac surgery, including transcatheter aortic valve replacements—a catheter-based, minimally invasive surgical procedure for high-risk patients diagnosed with severe aortic stenosis—and thoracic endovascular aortic aneurysm repairs for thoracic aortic aneurysms. Dr. Kaneko also specializes in open aortic surgery and minimally invasive valve surgeries utilizing smaller incisions. His research focuses on the clinical outcomes of aortic and valvular disease.
Read more about Tsuyoshi Kaneko, MD
photo of Sunil Kapur, MD

Sunil Kapur, MD


Dr. Sunil Kapur is an assistant professor of medicine at Harvard Medical School, and a staff cardiologist/cardiac electrophysiologist at Brigham and Women’s Hospital (BWH) in Boston. He completed his undergraduate degree in biomedical engineering and his medical doctorate at Northwestern University, and his postgraduate training in internal medicine, cardiovascular medicine, and clinical cardiac electrophysiology at BWH. Dr. Kapur's research interests include clinical innovation in invasive electrophysiology and the genetics of atrial arrhythmias.
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photo of Martin Kathrins, MD

Martin Kathrins, MD


Dr. Martin Kathrins is an associate surgeon at Brigham and Women’s Hospital and assistant professor of surgery at Harvard Medical School. He is director of the men’s health center in the Brigham and Women’s department of urology. Dr. Kathrins received his undergraduate degree from the University of Pennsylvania. He received his medical degree from Columbia University College of Physicians and Surgeons, and completed his urology residency at the University of Pennsylvania. He subsequently completed a fellowship in male infertility, andrology, and microsurgery at the University of Illinois at Chicago. He is board certified in urology. Dr. Kathrins’ clinical interests include male infertility, hypogonadism, sexual dysfunction, and voiding dysfunction. Dr. Kathrins’ research focuses include severe male factor infertility and genitourinary cancer survivorship.
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photo of Jeffrey Katz, MD, MS

Jeffrey Katz, MD, MS


Jeffrey N. Katz, MD, MS, graduated from Princeton University in 1980, attended Yale Medical School, and completed a medical residency at Yale-New Haven Hospital and a rheumatology fellowship at Brigham and Women’s Hospital (BWH). He received an MS in 1990 from Harvard T.H. Chan School of Public Health. Dr. Katz is professor of medicine and orthopaedic surgery at Harvard Medical School, and professor of epidemiology at Harvard T.H. Chan. He holds the Clement B. Sledge and Thomas S. Thornhill Distinguished Chair in Orthopedic Surgery at BWH. Dr. Katz is director of research in the department of orthopedic surgery at BWH, and director of the Office of Scholarly Engagement at HMS. Dr. Katz has focused his research on outcomes of musculoskeletal disorders, including carpal tunnel syndrome, lumbar spinal stenosis, osteoarthritis, meniscal tear, and interventions for these conditions including physical therapy, knee arthroscopy, and joint replacement. He is principal investigator of two NIH-funded multicenter trials of therapies for patients with meniscal tear and osteoarthritis. Dr. Katz is deputy editor for methodology of the Journal of Bone and Joint Surgery, and associate editor of Osteoarthritis and Cartilage.
Read more about Jeffrey Katz, MD, MS
photo of Sabra L. Katz-Wise, PhD

Sabra L. Katz-Wise, PhD


Sabra L. Katz-Wise, PhD (she/her) is an assistant professor in adolescent/young adult medicine at Boston Children’s Hospital, in pediatrics at Harvard Medical School, and in social and behavioral sciences at the Harvard T.H. Chan School of Public Health. She co-directs the Harvard SOGIE (Sexual Orientation and Gender Identity and Expression) Health Equity Research Collaborative. Her research investigates sexual orientation and gender identity development, sexual fluidity, health inequities related to sexual orientation and gender identity, and psychosocial functioning in families with transgender youth. Dr. Katz-Wise also advocates to improve workplace climate, medical education, and patient care for LGBTQ individuals, as co-chair for the BCH Rainbow Consortium on Sexual and Gender Diversity, as an HMS LGBT Advisory Committee member, and as HMS Sexual and Gender Minority Curriculum Development Fellow.
Read more about Sabra L. Katz-Wise, PhD
photo of Maneet Kaur, MD

Maneet Kaur, MD


Maneet Kaur, M.D. is Associate Chief for the department of rheumatology at VA Boston Health Care System. Double board certified in internal medicine and rheumatology, she is an appointed lecturer at Harvard Medical School. In addition to practicing general adult rheumatology, she is certified in bone densitometry from International Society of Clinical Densitometry (ISCD). Dr. Kaur is passionate about educating and informing the patients she cares for and believes strongly in helping the larger community understand specific illnesses and treatment options as well as how to take an active role in one’s health care.
Read more about Maneet Kaur, MD
photo of Nancy Keating, M.D., M.P.H.

Nancy Keating, M.D., M.P.H.


Nancy L. Keating, M.D., M.P.H., is a professor of health care policy and medicine at Harvard Medical School, and a physician at Brigham and Women’s Hospital. Dr. Keating’s research examines provider, patient, and health system factors that influence the delivery of high-quality care for individuals with cancer.
Read more about Nancy Keating, M.D., M.P.H.
photo of Alyson Kelley-Hedgepeth, MD

Alyson Kelley-Hedgepeth, MD


Alyson Kelley-Hedgepeth, M.D. is a full-time cardiologist and co-director of the Women’s Program at Lown Cardiovascular Group. She has extensive experience in managing coronary artery disease, heart failure and arrhythmias. Dr. Kelley-Hedgepeth is committed to providing personalized cardiovascular care with an emphasis on early disease detection and prevention. She specializes in cardiac lifestyle assessment and women’s cardiovascular disease. Her passion is preventative cardiovascular health and identifying how simple lifestyle changes promote healing and wellness. She trained in Internal Medicine at Massachusetts General Hospital and completed a Fellowship in Cardiology at Tufts Medical Center. Dr. Kelley-Hedgepeth is Board Certified in Cardiovascular Disease and Nuclear Cardiology. She is also a Diplomate of the American Board of Internal Medicine and Board Eligible in Echocardiography.
Read more about Alyson Kelley-Hedgepeth, MD
photo of John F. Kelly, PhD

John F. Kelly, PhD


Dr. Kelly is the Elizabeth R. Spallin Associate Professor of Psychiatry in Addiction Medicine at Harvard Medical School-the first endowed professor in addiction medicine at Harvard. He is also the founder and Director of the Recovery Research Institute at the Massachusetts General Hospital (MGH), the Program Director of the Addiction Recovery Management Service (ARMS) and the Associate Director of the Center for Addiction Medicine at MGH. Dr. Kelly is a former President of the American Psychological Association (APA) Society of Addiction Psychology, and is also a Fellow of the APA and a diplomate of the American Board of Professional Psychology. He has served as a consultant to U.S. federal agencies and non-Federal institutions, and foreign governments. His clinical and research work has focused on addiction treatment and the recovery process, mechanisms of behavior change, and in reducing stigma and discrimination among individuals suffering from addiction.
Read more about John F. Kelly, PhD
photo of Sat Bir Singh Khalsa, Ph.D

Sat Bir Singh Khalsa, Ph.D


Sat Bir Singh Khalsa, Ph.D. is director of research for the Kundalini Research Institute, research associate at the Benson Henry Institute for Mind Body Medicine, research affiliate at the Osher Center for Integrative Medicine, and an associate professor of medicine at Harvard Medical School and Brigham and Women’s Hospital in Boston. He has conducted research on yoga since 2001, has been a practitioner of Kundalini Yoga since 1971, and is a certified teacher. His research has evaluated yoga for insomnia, stress, trauma, and anxiety, and for workplace and public school settings. He works with the International Association of Yoga Therapists as scientific director for the annual Symposium on Yoga Research, and is editor in chief of the International Journal of Yoga Therapy. He is medical editor of the Harvard Medical School Special Report Introduction to Yoga, and chief editor of the medical textbook The Principles and Practice of Yoga in Health Care.
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photo of Adam Kibel, MD, MHCM

Adam Kibel, MD, MHCM

Editorial Advisory Board Member, Harvard Health Publishing

Adam Kibel, MD, MHCM, is the chief of urology at Brigham and Women’s Hospital and the Dana-Farber Cancer Institute, and the Elliott Carr Cutler Professor of Surgery at Harvard Medical School. He received his BA and MD from Cornell University in 1987 and 1991 respectively. He then completed his residency at the Harvard Program in Urology (Longwood) in 1997, and a fellowship in urologic oncology at Johns Hopkins in 1999. In 2022, he received a master’s in health care management from Harvard University. His practice focuses on minimally invasive approaches to urologic cancers. He has over 400 peer-reviewed publications, and has received grant support from multiple agencies, including the National Cancer Institute, the American Urologic Association, the American College of Surgeons, and the Department of Defense. The focus of his research is on identification and treatment of patients with aggressive genitourinary cancers though neoadjuvant therapy, improved imaging, and novel biomarkers.
Read more about Adam Kibel, MD, MHCM
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Laura Kiesel


Laura Kiesel is Boston-area freelance writer whose articles and essays have appeared in The Guardian, Salon, Washington Post, The Fix, Vice, Al-Jazeera, The Atlantic, and many others. She is currently completing a collection of personal essays.
Read more about Laura Kiesel
photo of Hyun Jung Kim, MD

Hyun Jung Kim, MD


Dr. Hyun Jung Kim is a child and adolescent psychiatrist, specializing in transitional-age youth (15 to 25 years old) with serious mental illnesses, such as early psychotic disorders. She is a clinical instructor in psychiatry at Harvard Medical School, and is in charge in the psychotic disorders division at McLean Hospital.
Read more about Hyun Jung Kim, MD
photo of Leo Kim, MD, PhD

Leo Kim, MD, PhD


Leo Kim, MD, PhD, is a retina surgeon and a full time member of the Retina Service at the Massachusetts Eye and Ear Infirmary who has extensive experience in the management of retinal diseases associated with neovascularization or angiogenesis. These include diseases such as retinal vein occlusions, diabetic retinopathy, and age-related macular degeneration.   After obtaining his MD/PhD from the Medical Scientist Training Program at Yale University School of Medicine, Dr. Kim attended University of Southern California/Doheny Eye Institute for his ophthalmology residency, where he was recognized with the Doheny Resident Research Award for two consecutive years. He also was awarded the Lillian and Henry Nesburn Award for Research Excellence and was chosen to participate in the 2008 Heed Ophthalmic Foundation Residents Retreat, an honor extended to only the top residents in the United States demonstrating exceptional potential in academic ophthalmology. Following residency, Dr. Kim continued at Doheny Eye Institute as a vitreoretinal surgery fellow and was recognized by the Heed Foundation with a highly prestigious fellowship grant.
Read more about Leo Kim, MD, PhD
photo of Davis Kimaiyo, MD

Davis Kimaiyo, MD


Davis Kimaiyo, MD, is an Internal Medicine resident at Massachusetts General Hospital. He completed his medical degree at the University of California Los Angeles David Geffen School of Medicine.   Dr. Kimaiyo’s research interests include cardiovascular medicine, particularly preventative cardiology, heart failure, and clinical trials.
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photo of George King, MD

George King, MD


George L. King, M.D., is the Senior Vice President, Chief Scientific Officer at Joslin Diabetes Center, as well as a Professor of Medicine and Ophthalmology at Harvard Medical School. He received his medical degree from Duke University School of Medicine and residency at the University of Washington Affiliated Hospitals in Seattle and the National Institutes of Health. Dr. King has published over 300 papers and multiple books. Dr. King’s work focuses on finding the causes of diabetic complications, founder of The Medalist Study to discover new treatments for diabetic complications, and understanding the reasons for the high rate of diabetes in Asian Americans. His laboratory discovered that VEGF, protein most responsible for causing the severe form of diabetic eye disease. Dr. King has received numerous awards, Cogan Award from the Association for Research in Vision and Ophthalmology, Alcon Award for Vision Research, Harold Amos Diversity Award from Harvard Medical School, the Chinese American Medical Society Scientific Award, the 2015 Edwin Bierman Award from the American Diabetes Association, with several others, the Champalimaud Award for Vision, the largest award in the vison research field and Mary Tyler Moore and Robert Levine Award from the JDRF 2016.
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photo of Daniel Kirshenbaum, MD

Daniel Kirshenbaum, MD


Daniel Kirshenbaum, MD, is a general cardiologist at the Massachusetts General Hospital and Instructor in Medicine at Harvard Medical School. He completed his internal medicine residency at Boston Medical Center (BMC), also serving as Chief Medical Resident, where he then went on to also complete his clinical cardiology fellowship. He has academic interests in digital health, as well as the use of technology to enhance medical education.
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photo of Lauren Ko, MD, MEd

Lauren Ko, MD, MEd


Lauren Ko, MD, M.Ed, is a dermatology resident physician at the Harvard Combined Dermatology Program. She received her undergraduate education at Columbia University, and thereafter received her Masters in Education in New York City where she taught elementary school for four years. She received her medical degree from Harvard Medical School. Her clinical and research interests include inpatient and complex medical dermatology, medical education, and cutaneous manifestations of systemic disease.
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Anthony L. Komaroff, MD

Editor in Chief, Harvard Health Letter

Dr. Anthony L. Komaroff is the Steven P. SimcoxPatrick A. Clifford/James H. Higby Distinguished Professor of Medicine at Harvard Medical School, senior physician at Brigham and Women’s Hospital in Boston, and editor in chief of the Harvard Health Letter. He was director of the division of general medicine and primary care at Brigham and Women’s Hospital for 15 years, and is the founding editor of Journal Watch, a summary medical information newsletter for physicians published by the Massachusetts Medical Society/New England Journal of Medicine.
Read more about Anthony L. Komaroff, MD
photo of Megan A. Koster, MD, PharmD

Megan A. Koster, MD, PharmD


Megan A. Koster, MD, PharmD, is the interim chief of pulmonary & critical care medicine at Mount Auburn Hospital (MAH), and an instructor in medicine at Harvard Medical School (HMS). Dr. Koster started her journey in health care with a doctor of pharmacy degree from Northeastern University. She worked as a clinical pharmacist with a special focus in organ transplant and surgical intensive care at Beth Israel Deaconess Medical Center (BIDMC) before matriculating at HMS. Following medical school, Dr. Koster pursued internal medicine residency at Massachusetts General Hospital (MGH), and continued her training with a MGH/BIDMC fellowship in pulmonary and critical care medicine. She received advanced training in medical education leadership through a BIDMC clinician educator fellowship. In addition to her practice in general pulmonology and critical care medicine at MAH, Dr. Koster has continued her work as an educational leader, serving as co-director for undergraduate medical education, clerkship director for several HMS electives, and the pulmonary subspecialty education chair for the internal medicine residency program at MAH. Her professional interests include interprofessional health care education, clinical leadership, and supporting women and parents in medicine.
Read more about Megan A. Koster, MD, PharmD
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