Harvard Health Experts and Contributors

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

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.

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.

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.

Christina Ruggeri, PT, DPT, NCS

Contributor

Christina Ruggeri earned her doctor of physical therapy degree at the Massachusetts General Hospital Institute of Health Professions in 2018, and became an APTA board-certified neurologic specialist in 2022. She practices at the Spaulding Outpatient Center in Salem, MA, where she is experienced in caring for patients with a variety of medically complex conditions and injuries. Christina is a member of the Spaulding North Shore Innovative Sports Medicine Team, where she is involved in aquatic therapy, wheelchair evaluations, and fittings in the brace clinic. Christina has assisted with adaptive kayaking and adaptive golf through Spaulding’s adaptive sports program, and advocates for the program to patients who may benefit. Christina also works in acute care at Salem Hospital.

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.

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.

Result 26 - 32 of 32

Harvard Health Experts and Contributors

List of Experts

Dennis Rosen, MD

John Ross, MD, FIDSA

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

Christian Ruff, MD, MPH

Christina Ruggeri, PT, DPT, NCS

Emily S. Ruiz, MD, MPH

Elisabeth J. Ryan, JD, MPH