Harvard Health Experts and Contributors

List of Experts

photo of Laura K. Rock, MD

Laura K. Rock, MD

Contributor

Dr. Laura K. Rock is a pulmonologist and critical care physician at Beth Israel Deaconess Medical Center in Boston, and an assistant professor at Harvard Medical School. She is also faculty for the Center for Medical Simulation, and a VitalTalk instructor. She runs communication training programs and conducts research on debriefing as it relates to teamwork and patient safety. These include programs for effective and empathic communication between clinicians and patients or family members; work culture and how it affects teamwork, the patient experience, and clinician well-being; managing conflict at the bedside; and providing feedback that improves performance.
Read more about Laura K. Rock, MD
photo of Dennis Rosen, MD

Dennis Rosen, MD

Assistant Professor of Pediatrics, Harvard Medical School

Dennis Rosen, M.D. is a pediatric pulmonologist and sleep specialist at at Boston Children’s Hospital, where he is the associate medical director of the Center for Pediatric Sleep Disorders. He is also an assistant professor of pediatrics at Harvard Medical School. Dr. Rosen is author of Successful Sleep Strategies for Kids (Harvard Medical School Guide) and Vital Conversations: Improving Communication Between Doctors and Patients
Read more about Dennis Rosen, MD
photo of John Ross, MD, FIDSA

John Ross, MD, FIDSA

Contributor; Editorial Advisory Board Member, Harvard Health Publishing

Dr. John Ross is an assistant professor of medicine at Harvard Medical School. He is board certified in internal medicine and infectious diseases, and practices hospital medicine at Brigham and Women’s Hospital. He is the author of Shakespeare’s Tremor and Orwell’s Cough: Diagnosing the Medical Groans and Last Gasps of Ten Great Writers, and is one of the editors of the textbook Principles and Practice of Hospital Medicine.
Read more about John Ross, MD, FIDSA
photo of Natalia S. Rost, MD, MPH, FAAN, FAHA

Natalia S. Rost, MD, MPH, FAAN, FAHA

Contributor

Natalia S. Rost, MD, MPH, FAAN, FAHA, is chief of the stroke division at the Massachusetts General Hospital (MGH) department of neurology, and professor of neurology at Harvard Medical School. A cum laude graduate of Boston University School of Medicine, she also holds a master of public health degree from the Harvard T.H. Chan School of Public Health. Dr. Rost trained in neurology and vascular neurology at MGH and Brigham and Women's Hospital residency and fellowship programs. Dr. Rost is internationally recognized for her expertise in vascular neurology, neuroimaging of cerebrovascular disease, and big-data science applications to personalized clinical outcome prediction in acute stroke. She is the author of numerous peer-reviewed publications, book chapters, and is coauthor of the Harvard Medical School Special Health Report Stroke: Strategies to prevent, treat, and recover from a "brain attack" and the MGH Handbook of Neurology. Dr. Rost is a Fellow of the American Academy of Neurology and American Heart Association, former president of the Boston board of the American Heart Association (2014–2016), scientific chair of the 2022 NINDS Alzheimer’s Disease-Related Dementias Summit, and she serves as associate editor of the journal Stroke.
Read more about Natalia S. Rost, MD, MPH, FAAN, FAHA
photo of Christian Ruff, MD, MPH

Christian Ruff, MD, MPH

Contributor

Christian Thomas Ruff, MD, MPH, Director, Genetics Core Laboratory; Assistant Professor of Medicine, Harvard Medical School, Brigham and Women’s Faulkner Hospital, Boston, Massachusetts Christian T. Ruff, MD, MPH is the Director of General Cardiology at Brigham and Women’s Hospital and an Assistant Professor of Medicine at Harvard Medical School. He graduated from Harvard University with a degree in Neurobiology and earned his medical degree at Johns Hopkins University School of Medicine. Dr Ruff is an investigator in the Thrombolysis in Myocardial Infarction (TIMI) Study Group and serves as the Director of the Genetics Core Laboratory and as Co-Director of the Clinical Events Committee. He has specific expertise in atrial fibrillation, risk stratification and implementation of antithrombotic therapy for stroke prevention, as well as the treatment and prevention of venous thromboembolism.
Read more about Christian Ruff, MD, MPH
photo of Emily S. Ruiz, MD, MPH

Emily S. Ruiz, MD, MPH

Contributor; Editorial Advisory Board Member, Harvard Health Publishing

Emily Ruiz, MD, MPH, is an associate physician at the Mohs and Dermatologic Surgery Center at Dana-Farber/Brigham and Women’s Cancer Center; an instructor in dermatology at Harvard Medical School; and director of the High-Risk Skin Cancer Clinic at Dana-Farber/Brigham and Women’s Hospital. Dr. Ruiz received her undergraduate degree from Duke University, medical degree from New York University School of Medicine, and master of public health degree from the Harvard T.H. Chan School of Public Health. She completed an internship in internal medicine at New York University School of Medicine, dermatology residency at Albert Einstein College of Medicine, and fellowship in micrographic surgery and dermatologic oncology at Brigham and Women’s Hospital.
Read more about Emily S. Ruiz, MD, MPH
photo of Elisabeth J. Ryan, JD, MPH

Elisabeth J. Ryan, JD, MPH

Guest Contributor

Elisabeth Ryan, JD, MPH, is the Legal Fellow at the Northeastern University School of Law Center for Health Policy and Law. She has formerly practiced as a public defender and as deputy general counsel for the Massachusetts public safety executive office. She currently heads Public Health Law Watch and her work focuses on the intersection of criminal justice and public health.
Read more about Elisabeth J. Ryan, JD, MPH
photo of Maureen Salamon

Maureen Salamon

Executive Editor, Harvard Women's Health Watch

Maureen Salamon is executive editor of Harvard Women’s Health Watch. She began her career as a newspaper reporter and later covered health and medicine for a wide variety of websites, magazines, and hospitals. Her work has appeared in The New York Times, The Atlantic, CNN.com, WebMD, Medscape and HealthDay, among other major outlets. Maureen earned a BA in print journalism from Penn State University.
Read more about Maureen Salamon
photo of Suzanne Salamon, MD

Suzanne Salamon, MD

Editorial Advisory Board Member, Harvard Health Publishing

Dr. Suzanne Salamon is an assistant professor of medicine at Harvard Medical School. She is a geriatrician and practices primary care geriatrics at Beth Israel Deaconess Medical Center, where she is the associate chief for clinical geriatrics. She is board certified in internal medicine and geriatric medicine. She is the geriatrics editor of the Harvard Health Letter, and has been the medical editor for Harvard Health Publishing Special Health Reports including Better Balance and Aging in Place. She is active in community public health, serving on the board of the Brookline Senior Center and writing a monthly column for their newsletter called “Ask a Geriatrician,” and she belongs to the Medical Reserve Corps. (Her mother, who just turned 100, lives with her and her family.)
Read more about Suzanne Salamon, MD
photo of Kathyana P. Santiago Mangual

Kathyana P. Santiago Mangual

Contributor

Kathyana P. Santiago Mangual is a clinical research fellow in dermatology at Massachusetts General Hospital and Harvard Medical School. She is also a medical student at the University of California, Los Angeles, and will be graduating in 2025.
Read more about Kathyana P. Santiago Mangual
photo of Danielle L. Sarno, MD

Danielle L. Sarno, MD

Contributor; Editorial Advisory Board Member, Harvard Health Publishing

Dr. Danielle Sarno is the director of interventional pain management in the department of neurosurgery at Brigham and Women’s Hospital, and an instructor of physical medicine and rehabilitation at Harvard Medical School. She is the founding co-director of the Harvard Interventional Pain Simulation Center, where she is developing and studying an interventional spine simulation–based education curriculum for physicians specializing in pain medicine. She has written widely on pain care and the spine, and presented her research nationally and internationally. Dr. Sarno received a Pillars of Excellence Award for integrating diversity, equity, and inclusion from Mass General Brigham, and a “20 Under 40” award from the North American Spine Society. She co-directs a virtual integrative program (www.finerprogram.org) for people with chronic pain, which aligns with her mission to broadly increase access to pain management resources and improve quality of life. Instagram: Danielle Sarno, MD
Read more about Danielle L. Sarno, MD
photo of Ameet Sarpatwari, JD, PhD

Ameet Sarpatwari, JD, PhD

Contributing Editor

Ameet Sarpatwari is an Instructor in Medicine at Harvard Medical School and an Associate Epidemiologist at Brigham and Women’s Hospital based in the Program On Regulation, Therapeutics, And Law (PORTAL) within the Division of Pharmacoepidemiology and Pharmacoeconomics. His research draws upon his interdisciplinary training as an epidemiologist and lawyer and focuses on the effects of laws and regulations on therapeutic development, approval, use, and related public health outcomes. Among other projects, he is currently examining the public health implications of variation in state drug product selection laws, the risk of re-identification under HIPAA pathways for data sharing for post-approval drug research, and the comparative safety and effectiveness of biosimilars.
Read more about Ameet Sarpatwari, JD, PhD
photo of David Scales, MPhil, MD, PhD

David Scales, MPhil, MD, PhD

Contributor

David Scales, MPhil, MD, PhD is a physician, sociologist and faculty member at Cambridge Health Alliance and Harvard Medical School. David received his BA in Chemistry and American History from the University of Pennsylvania, received a scholarship to study History and Philosophy of Science and Medicine at Cambridge University then completed his MD and PhD degrees at Yale University, where his dissertation focused on the World Health Organization’s efforts to track and manage the spread of diseases across international borders. His post-doctoral work at HealthMap.org included working on BioMosaic, a Centers for Disease Control project mapping the intersection of demography, migration and infectious diseases and volunteering for SyriaTracker, a non-profit tracking human rights abuses in Syria. David completed his residency in Internal Medicine at Cambridge Health Alliance, where he currently works as a Hospitalist. David’s clinical interests focus on providing care to the medically underserved both in the US and in the Middle East. Focusing on migrants and refugees, he works with local NGOs Questscope and the Lajee Center, in Jordan and Palestine respectively, advising them as they address structural determinants of health by promoting agency and minimizing health inequalities. With a certificate in medical interpreting in Levantine Arabic, David’s writing centers on medical communication – between healthcare providers, in the doctor-patient relationship and to the general public. He has written for Aeon, MedPage Today and is a contributor to WBUR’s CommonHealth.
Read more about David Scales, MPhil, MD, PhD
photo of Charlie Schmidt

Charlie Schmidt

Editor, Harvard Medical School Annual Report on Prostate Diseases

Charlie Schmidt is an award-winning freelance science writer based in Portland, Maine. In addition to writing for Harvard Health Publishing, Charlie has written for Science magazine, the Journal of the National Cancer Institute, Environmental Health Perspectives, Nature Biotechnology, and The Washington Post.
Read more about Charlie Schmidt
photo of Zev Schuman-Olivier, MD

Zev Schuman-Olivier, MD

Contributor

Dr. Schuman-Olivier is the Medical Director, Addictions, Cambridge Health Alliance. He is also an Instructor in Psychiatry, Harvard Medical School and a board-certified addiction psychiatrist with expertise in opioid use disorder treatment and substance abuse treatment for people with co-occurring disorders. After graduating from Tufts University School of Medicine, he completed psychiatry residency at Harvard Medical School (HMS)/Cambridge Health Alliance (CHA), and the HMS addiction psychiatry fellowship. He trained at the Massachusetts General Hospital (MGH) Addiction Recovery Management Service, specializing in addiction treatment with young adults. He is a member of the Massachusetts Medical Society opioids task force. He received the American Academy of Addiction Psychiatry Young Investigator Award for research on buprenorphine diversion. He is funded through the NIH Science of Behavior Change Initiative to investigate how mindfulness influences self-regulation and medical regimen adherence. With NIDA funding through the Center for Technology and Behavioral Health (www.c4tbh.org) at Dartmouth, he has been developing MySafeRx, an integrated mobile platform for enhancing buprenorphine adherence and diversion prevention among young adults with opioid use disorders. He is on the Board of Directors of the 501(c)3 scientific non-profit organization, MySafeRx, Inc., which aims to develop, evaluate, implement and disseminate technology-based solutions to adherence in mental health and addiction treatment.
Read more about Zev Schuman-Olivier, MD
photo of Lee H. Schwamm, MD

Lee H. Schwamm, MD

Contributor

Dr. Lee Schwamm graduated from Harvard Medical School and practices neurocritical care and vascular neurology at Massachusetts General Hospital, where he also serves as the director of the Center for TeleHealth. He currently leads virtual care activities across the Partners Healthcare System as vice president of virtual care in Partners Digital Health. He is a professor of neurology at Harvard Medical School and active clinical researcher, and the author of over 400 peer-reviewed articles describing his pioneering work in telehealth/virtual care, systems of stroke care, quality improvement science, and advocacy. His research has been funded by the National Institutes of Health, the Centers for Disease Control and Prevention, the Patient-Centered Outcomes Research Institute, and the Agency for Healthcare Research and Quality, among others.
Read more about Lee H. Schwamm, MD
photo of Eva Selhub MD

Eva Selhub MD

Contributing Editor

Dr. Eva Selhub is an internationally recognized expert, physician, author, speaker and consultant in the fields of stress, resilience, mind-body medicine and working with the natural environment to achieve maximum health and wellbeing. Dr. Selhub engages her clients and her audiences with her powerful energy, words of wisdom and scientific knowledge to be empowered to transform themselves, their health and their life for the better. Board Certified in Internal Medicine, Dr. Selhub is on staff at Harvard Medical School and is a Clinical Associate of the world renowned Benson Henry Institute for Mind-Body Medicine at the Massachusetts General Hospital. Dr. Selhub also works with clients privately, combining her knowledge and expertise from Western and allopathic medicine and from the Eastern healing traditions. Dr. Selhub has been published in medical journals and featured in national publications including The New York Times, USA Today, Self, Shape, Fitness, and Journal of Woman’s Health, and has appeared on radio and television in connection with her work, including the Dr. Oz show.
Read more about Eva Selhub MD
photo of Maryanne Makredes Senna, MD

Maryanne Makredes Senna, MD

Contributor

Dr. Maryanne Makredes Senna is a board-certified dermatologist at at Beth Israel Lahey Health, and assistant professor of dermatology at Harvard Medical School. Dr. Senna founded and directs the Lahey Hair Loss Center of Excellence and serves as principal of the research unit. Prior to this role, she founded the MGH Hair Loss Clinic and clinical trials unit, which she ran for nearly 10 years. She has held a number of pharmaceutical, device, and foundation appointments. Widely published and recognized for her clinical expertise, teaching, and research, Dr. Senna is frequently invited to speak and give lectures nationally and abroad, and has been quoted in top-tier media publications such as The New York Times and The Atlantic. She has also been featured on multiple news outlets including Good Morning America, and in the HBO Max documentary series Not So Pretty. Dr. Senna is an esteemed member of several professional societies and committees, and is on the board of directors of the Scarring Alopecia Foundation, the American Hair Research Society, and on the medical advisory task force for the National Alopecia Areata Foundation.
Read more about Maryanne Makredes Senna, MD
photo of Howard D. Sesso, ScD, MPH, FAHA

Howard D. Sesso, ScD, MPH, FAHA

Contributor

Dr. Howard D. Sesso is an associate epidemiologist in the division of preventive medicine at Brigham and Women’s Hospital, associate professor of medicine at Harvard Medical School, and associate professor of epidemiology at the Harvard T.H. Chan School of Public Health. He designs and conducts randomized clinical trials and epidemiologic studies, focusing on dietary supplements, nutrition, and lifestyle factors to prevent cardiovascular disease (CVD), hypertension, and other aging-related outcomes. Dr. Sesso is the associate director of the division of preventive medicine and director of nutrition and supplement research at the Osher Center for Integrative Medicine. Dr. Sesso helps lead the Physicians’ Health Study, consisting of two trials testing aspirin, beta-carotene, vitamin E, vitamin C, and a multivitamin on aging-related outcomes in 29,000 men. Dr. Sesso is also examining vitamin D and fish oil supplements on blood pressure, hypertension, and other outcomes in the VITamin D and OmegA-3 TriaL (VITAL). Finally, Dr. Sesso is co-principal investigator of the COcoa Supplement and Multivitamin Outcomes Study (COSMOS), a recently completed trial testing cocoa extract and multivitamin supplements in the prevention of CVD and cancer in 21,442 older women and men. He has published more than 350 papers, teaches courses on clinical trials and epidemiology, and enjoys mentoring students and junior faculty.
Read more about Howard D. Sesso, ScD, MPH, FAHA
photo of Catherine Ullman Shade, PhD, MEd

Catherine Ullman Shade, PhD, MEd

Contributor

Catherine Ullman Shade, Ph.D. M.Ed. is the Director of Education at Boston Children’s Hospital (BCH)’s Cardiac Neurodevelopmental Program, where she coordinates educational and outreach services for children with complex congenital heart disease. Prior to her current position, Dr. Ullman Shade worked in BCH’s Developmental Medicine Center, and as a teacher, instructional coach, professional development trainer, educational researcher, and curriculum designer, in settings including K-12 schools and nonprofit organizations.
Read more about Catherine Ullman Shade, PhD, MEd
photo of Howard J. Shaffer, PhD, CAS

Howard J. Shaffer, PhD, CAS

Contributor

Dr. Howard Jeffrey Shaffer is the Morris E. Chafetz Associate Professor of Psychiatry in the Field of Behavioral Sciences at Harvard Medical School; in addition, he is the Director of the Division on Addiction at the Cambridge Health Alliance, a Harvard Medical School teaching hospital. Dr. Shaffer has served as principal or co-principal investigator on many government, foundation, and industry sponsored research projects around the world. Dr. Shaffer is a Fellow of the American Psychological Association. He served on the National Academy of Sciences, National Research Council, Committee on the Social and Economic Impacts of Pathological Gambling. His professional appointments have included consultation to many national and international organizations, including consultation to the National Institutes of Health, The National Cancer Institute, The National Council on Marijuana and Health, The Icelandic Ministry of Health and Social Security, The Massachusetts Council on Compulsive Gambling, the Tung Wah Hospital Group in Hong Kong, and The Massachusetts Departments of Mental and Public Health. Dr. Shaffer is the author/editor of approximately 275 peer-reviewed journal articles and more than 20 books or monographs, including the 2012 Choice Award for the APA Addiction Syndrome Handbook, with Drs. LaPlante and Nelson, and the 2012 Change Your Gambling, Change Your Life, with co-authors Ryan Martin, John Kleschinsky, and Liz Neporent. Dr. Shaffer is the past editor of The Psychology of Addictive Behaviors and The Journal of Gambling Studies. Also, he is a founder and past associate editor of The Journal of Substance Abuse Treatment. Dr. Shaffer serves as a member of many editorial boards and is as an ad hoc reviewer for many other scholarly journals. Dr. Shaffer has received many awards, including the 2010 American Psychological Association, Division 50, award for “Outstanding Contributions to Advancing the Understanding of Addictions.” During 2015, he received the Lifetime Research Award from the National Council on Problem Gambling. Dr. Shaffer’s research, writing, and teaching have influenced how the health care field conceptualizes and treats the full range of addictive behaviors. His Syndrome Model of Addiction has gained broad acceptance, influencing how we think about both behavioral and substance-related addiction.
Read more about Howard J. Shaffer, PhD, CAS
photo of Neel Shah, MD, MPP, FACOG

Neel Shah, MD, MPP, FACOG

Contributor

Dr. Shah, MD, MPP, FACOG, is an assistant professor of obstetrics, gynecology and reproductive biology at Harvard Medical School, and director of the Delivery Decisions Initiative at Harvard’s Ariadne Labs. As an obstetrician-gynecologist at Beth Israel Deaconess Medical Center in Boston, Dr. Shah cares for patients at critical life moments that range from childbirth to primary care to surgery. As a scientist and social entrepreneur, he is a globally recognized expert in designing, testing, and spreading solutions that improve healthcare. Dr. Shah is listed among the “40 smartest people in health care” by the Becker’s Hospital Review, and has been profiled by the New York Times, CNN, and other outlets. He is senior author of the book Understanding Value-Based Healthcare (McGraw-Hill), which Don Berwick has called “an instant classic” and Atul Gawande called “a masterful primer for all clinicians.” Prior to joining the Harvard faculty, Dr. Shah founded Costs of Care, a global NGO that curates insights from clinicians to help delivery systems provide better care. In 2017, Dr. Shah co-founded the March for Moms Association, a coalition of 20 leading organizations, to increase public and private investment in the wellbeing of mothers.
Read more about Neel Shah, MD, MPP, FACOG
photo of Pinak B. Shah, MD

Pinak B. Shah, MD

Contributor

Pinak B. Shah, MD is the Director of the Cardiac Catheterization Laboratory and Director of the Interventional Cardiology Training Program at Brigham and Women’s Hospital. His clinical interests include catheter based therapies for the treatment of valvular and structural heart disease. He directs the interventional arm of the Brigham and Women’s Structural Heart Team and is a high volume operator in the areas of trans-catheter aortic valve replacement (TAVR), Mitra-Clip, and a variety of other procedures. He is the site principal investigator for numerous clinical trials evaluating novel devices for the treatment of structural heart conditions and he has authored and co-authored numerous publications in this area. 
Read more about Pinak B. Shah, MD
photo of Scott Shainker, DO, MS

Scott Shainker, DO, MS

Contributor

Scott Shainker, D.O, M.S., is a maternal-fetal medicine specialist in the Department of Obstetrics and Gynecology at Beth Israel Deaconess Medical Center (BIDMC). He is also a member of the faculty in the Department of Obstetrics, Gynecology, and Reproductive Biology at Harvard Medical School (HMS). Dr. Shainker is the co-founder and director of the New England Center for Placental Disorders, an international referral center for women with invasive placentation and other complex placental disorders. At BIDMC, he serves as the associate medical director of Labor and Delivery. Dr. Shainker’s research focuses on process improvement and clinical outcomes in the management of invasive placentation. His clinical interests are in abnormal placentation, complex maternal disease, critical care obstetrics and medical education. Dr. Shainker has lectured around the world focusing his efforts on reducing maternal morbidity / mortality, as well as placental disorders. Dr. Shainker is a national expert in critical care obstetrics and serves as faculty at both national and regional meetings. In addition, he was awarded the prestigious Association of Professors of Gynecology and Obstetrics Faculty Teaching Prize at HMS.
Read more about Scott Shainker, DO, MS
photo of Diane W. Shannon, MD, MPH

Diane W. Shannon, MD, MPH

Contributor

Diane W. Shannon, MD, MPH, is a physician-writer with expertise in performance improvement in health care. She is the co-author of the recently published book, Preventing Physician Burnout: Curing the Chaos and Returning Joy to the Practice of Medicine, and can be reached at www.mdwriter.com.
Read more about Diane W. Shannon, MD, MPH
Harvard Health Publishing Logo

Thanks for visiting. Don't miss your FREE gift.

The Best Diets for Cognitive Fitness, is yours absolutely FREE when you sign up to receive Health Alerts from Harvard Medical School

Sign up to get tips for living a healthy lifestyle, with ways to fight inflammation and improve cognitive health, plus the latest advances in preventative medicine, diet and exercise, pain relief, blood pressure and cholesterol management, and more.

Harvard Health Publishing Logo

Health Alerts from Harvard Medical School

Get helpful tips and guidance for everything from fighting inflammation to finding the best diets for weight loss...from exercises to build a stronger core to advice on treating cataracts. PLUS, the latest news on medical advances and breakthroughs from Harvard Medical School experts.

BONUS! Sign up now and
get a FREE copy of the
Best Diets for Cognitive Fitness

Harvard Health Publishing Logo

Stay on top of latest health news from Harvard Medical School.

Plus, get a FREE copy of the Best Diets for Cognitive Fitness.

Harvard Health Publishing Logo

Stay on top of latest health news from Harvard Medical School.

Plus, get a FREE copy of the Best Diets for Cognitive Fitness.