Harvard Health Experts and Contributors

Dr. A. Enrique Caballero is an endocrinologist, clinical investigator, and educator. He works in the Office for External Education at Harvard Medical School, directing the development of programs in the field of diabetes and related disorders that benefit health care professionals and patients around the world. Dr. Caballero has had a strong and long commitment to help underserved populations. He founded the Latino Diabetes Initiative at the Joslin Diabetes Center, and the diabetes program within the Spanish Clinic at Brigham and Women’s Hospital, both affiliated with Harvard Medical School. Through multiple activities in the areas of patient care, patient education, community outreach, clinical research, and professional education, his work has favorably impacted the lives of thousands of people and families with diabetes or at risk for the disease. His research interests include type 2 diabetes and cardiovascular disease prevention, as well as management of diabetes in racial/ethnic minorities. He has been a co-investigator of the National Diabetes Prevention Program, the LookAhead Program, and the Diabetes Education Study, all sponsored by the National Institutes of Health. Dr. Caballero has written numerous publications on how diabetes affects the Latino/Hispanic community, diabetes prevention, obesity, and the link between diabetes and cardiovascular disease. He is also a reviewer for multiple prestigious medical journals. Dr. Caballero frequently lectures nationally and internationally in the areas of diabetes, cardiovascular disease, and diabetes in minorities. He has been the chair for the Latino Diabetes Education Program for the American Diabetes Association, vice chair of the Health Care Disparities Committee of the American Association of Clinical Endocrinologists, and has worked closely with other national and international organizations. He has also been a tutor of the Culturally Competent Care Curriculum at Harvard Medical School. Dr. Caballero graduated from the National University of Mexico Medical School, where he was awarded with the Gabino Barreda Medal for being the top student and achieving the highest academic level his class. He then completed his residency in internal medicine and fellowship in endocrinology at the National Institute of Nutrition in Mexico, and went on to complete a master’s degree in clinical epidemiology in Mexico. In addition, he completed a fellowship program in endocrinology and metabolism at the Lahey Clinic/Deaconess Hospital/Joslin Diabetes Center in Boston and the Program on Clinical Effectiveness at the Harvard School of Public Health. He has received local, regional, national, and international recognitions and awards. Dr. Caballero is the recipient of the 2009 Alberto Houssay Award by the National Minority Quality Forum, the 2011 award by the American Association of Clinical Endocrinologists for his work on health care disparities and with underserved populations, the 2012 Distinguished Community Service and Leadership Award by ALPFA Health Care, and a special recognition from the Latin American Diabetes Association. He has been recognized for several years as one of the 100 most influential people in the Latino community according to El Planeta newspaper. Recently, Dr. Caballero received a special recognition from the city of Boston and the government of Mexico for his continuous effort and commitment to help underserved populations.

Alice Cai is a clinical sleep fellow at Clinical Sleep Fellow in the combined Brigham and Women’s Hospital and Massachusetts General Hospital program. She is a recent graduate from the Hospital of the University of Pennsylvania’s Neurology residency, and has previously contributed to publications on intracerebral hemorrhage, toxic causes of delirium, impact of anesthesia on preoperative memory, and parasomnias. She previously helped investigate targets for non-opioid pain medicines in the area of pharmacology. Currently, her primary academic interests lie in overlap areas between Neurological conditions and sleep, including long term impacts of sleep deprivation on development of dementia. She earned her medical degree at Washington University in St. Louis, and a bachelor of science in Biochemistry as well as Molecular Biology at the University of Arizona.

Johanna Calderon, PhD, is an Assistant Professor of Psychology in the Department of Psychiatry at Harvard Medical School and a research Associate at Boston Children’s Hospital. She works on the neurodevelopmental and psychiatric outcomes of pediatric populations, primarily youth with congenital heart disease. She earned her PhD in Neuropsychology from Paris Descartes Sorbonne University, in Paris, France and completed her post-doctoral research training at the French Institute of Health and Medical Research in France and at the Cardiac Neurodevelopmental Program at Boston Children’s Hospital.

Steve Calechman is a contributing editor for Men’s Health, a writer for MIT’s Industrial Liaison Program, and his work has appeared in The Boston Globe Magazine, Greentech Media, Fatherly, and BabyCenter. For over 25 years as a journalist, he’s written about everything from handling stress like an Alaska bush pilot to computational neuroscience to how to change your mind mid-sentence with your child. If you’d like to visit his website at stevecalechman.com, he won’t try to stop you.

Dr. Marcelo Campos works as a primary care doctor at Atrius Health. He is a lecturer at Harvard Medical School and a clinical assistant professor at Tufts University School of Medicine. Dr. Campos completed medical school in Brazil and a family medicine residency at Baylor College of Medicine in Houston, TX. He is the chief of internal medicine and family medicine at the downtown Boston location of Harvard Vanguard. His interests are immigrant health, LGBTQ health, opioid use disorders, and lifestyle medicine.

Dr. Cartreine is a clinical psychologist, interactive media producer, and researcher. He is an Instructor in Psychiatry at Harvard Medical School and teaches CBT to psychiatry residents. Dr. Cartreine is affiliated with Brigham and Women’s Hospital, the Boston VA Medical Center, and is a co-founder of The EverMind Group, LLC.

Valeria Chambers is the founder and coordinator of Black Voices: Pathways 4 Recovery (formerly Blacks United in Recovery), where she provides leadership in all aspects of the development of program, and policy initiatives. She is a senior community researcher for the Health, Equity and Research Lab at Cambridge Health Alliance, and is active on the Massachusetts Mental Health Planning Council, having completed a five-year term as co-chair of the Department of Mental Health Multicultural Advisory Committee. Chambers holds a master’s degree and certificate of advanced studies in counseling and consulting psychology. She received the National Alliance on Mental Illness–Massachusetts 2007 Heroes in the Fight Award for the Peer Specialist Certification Training Team.

Andrew T. Chan, MD, MPH is a Professor of Medicine at Harvard Medical School (HMS), Chief of the Clinical and Translational Epidemiology Unit, and the Program Director for gastroenterology training at Massachusetts General Hospital (MGH). As a clinical gastroenterologist, Dr. Chan specializes in familial gastrointestinal cancer syndromes and cancer prevention. Dr. Chan is a leading investigator in the epidemiology of colorectal cancer and other digestive diseases, with a focus on chemoprevention with aspirin and the interaction of diet with the gut microbiome. An elected fellow of the American Society of Clinical Investigation, he currently supported by NCI, NIDDK, and the Crohn’s and Colitis Foundation for his research. He has published over 400 papers in the field of colorectal cancer and other chronic digestive diseases in leading journals, including the New England Journal of Medicine, Journal of the American Medical Association, Lancet, Science Translational Medicine, Gastroenterology and Gut. Dr Chan is a section editor for Gastroenterology, serves on the editorial board of Cancer Prevention Research and Cancer Epidemiology Biomarkers and Prevention, and is vice-chair of the Gastrointestinal Oncology Section of the AGA.

Dr. Isabelle Chase is a board-certified pediatric dentist, and an assistant professor at the Harvard School of Dental Medicine. She completed her dental degree at Dalhousie School of Dentistry in 2000, and pediatric dental specialty at the University of Rochester and Eastman Dental Center in 2002. Dr. Chase joined the faculty of Boston Children’s Hospital and the Harvard School of Dental Medicine in 2006, and the majority of her time has been spent providing direct clinical supervision and didactic teaching of pediatric dental residents as director of the residency program. In the past 15 years she has taught over 70 pediatric dental residents and over 450 dental students. Dr. Chase also provides direct patient care, either in the clinical setting or the operating room, with a focus on the management of early childhood tooth decay; the treatment of young, anxious patients; and patients with special health care needs, with a particular focus on children with autism. Outside of work she enjoys spending time with her husband and their two children.

Justin A. Chen, MD, MPH, is Medical Director of the Outpatient Psychiatry Division and Co-Director of Primary Care Psychiatry at Massachusetts General Hospital (MGH). Clinically, he specializes in the treatment of adult mood and anxiety disorders. He is also dedicated to teaching and mentorship, serving as Co-Director of Medical Student Education in Psychiatry at Harvard Medical School (HMS), Co-Director and core faculty in the Mind, Brain, and Behavior pre-clinical neurosciences course at HMS, and Co-Director of the longitudinal Sociocultural Psychiatry curriculum for MGH/McLean psychiatry residents. An Assistant Professor at Harvard Medical School, his research focuses primarily on cross-cultural psychiatry, stigma, racial/ethnic disparities in mental health service utilization, and medical education. He is a co-editor of Sociocultural Issues in Psychiatry: A Casebook and Curriculum, published in 2019 by Oxford University Press. As Executive Director and Co-Founder of the nonprofit volunteer-operated MGH Center for Cross-Cultural Student Emotional Wellness (www.mghstudentwellness.org), he delivers talks and trainings for families, clinicians, and educators throughout the United States on promoting the mental health of diverse students. He is a 2020-23 fellow of the Robert Wood Johnson Clinical Scholars Program for a project entitled, “Breaking Silences in the Model Minority: A National Intervention to Increase Mental Health Awareness and Decrease Stigma in Asian Immigrant Families.” Dr. Chen received his undergraduate and medical degrees from Yale University. He completed his psychiatry residency and chief residency at MGH/McLean, followed by a Master of Public Health degree at the Harvard-T.H. Chan School of Public Health and a Dupont-Warren Research Fellowship focused on improving engagement of depressed Chinese immigrants into mental health care at South Cove Community Health Center in Boston's Chinatown. 

Dr. Steven Chen is a board-certified internist and dermatologist. He is an assistant professor at Harvard Medical School. Dr. Chen earned his MD and an MPH from Johns Hopkins University. He then pursued residency training at Harvard, where he completed an internal medicine residency at Beth Israel Deaconess Medical Center, and a dermatology residency in the Harvard dermatology program. Dr. Chen attends on both the dermatology and internal medicine services with a clinical and research interest in oncodermatology. He co-directs the comprehensive cutaneous lymphoma program at Massachusetts General Hospital, and serves as an associate program director for the Harvard dermatology residency program.

Hsinlin Thomas Cheng, MD, PhD, is the Director of the Headache and Neuropathic Pain Unit in the Department of Neurology at Massachusetts General Hospital. He specializes in both adult Neurology and Pain Medicine. Dr. Cheng treats patients suffering from headache and other neuropathic pain syndromes.

Andrea Chisholm, MD is an OB/GYN at the Cambridge Health Alliance and a Clinical Instructor of Obstetrics and Gynecology at Harvard Medical School. In addition to writing for Harvard Health Publishing, Dr. Chisholm writes about Menstrual Disorders for Verywell.com.

Andrea S. Christopher, MD, MPH is an internist at the Cambridge Health Alliance and fellow in general internal medicine at Harvard Medical School in Boston. She received her MD from the University of Washington School of Medicine, completed post-graduate training in internal medicine at the University of Washington and completed her MPH from the Harvard T.H. Chan School of Public Health. Dr. Christopher’s research focuses on disparities in access to health care for vulnerable populations, specifically the financial burden of out-of-pocket healthcare expenses and the impact of health insurance on chronic disease management.

Raymond Chung, MD is the Director of Hepatology and Liver Center at Massachusetts General Hospital and a Associate Professor of Medicine at Harvard Medical School. Dr. Chung completed his B.A. at Harvard College and his MD from Yale University School of Medicine. He completed a residency in Internal Medicine and a fellowship in Gastroenterology and Hepatology at the Massachusetts General Hospital.  Dr. Chung’s focus has been fundamental and translational research in HCV infection.  Major focus of his research has been elucidating the basis for the observed accelerated liver disease pathogenesis in HCV-HIV coinfection.  In this regard his research has made important contributions to the current understanding of hepatic pathogenesis of coinfection.

Dr. Stephanie Collier is the director of education in the division of geriatric psychiatry at McLean Hospital; consulting psychiatrist for the population health management team at Newton-Wellesley Hospital; and instructor in psychiatry at Harvard Medical School. Her professional interests include the interface of medicine and psychiatry, the treatment of mental illnesses in the primary care setting, and the optimization of training and supervision of non-specialist clinicians to deliver mental health interventions in resource-limited settings.

Julie Corliss is the executive editor of the Harvard Heart Letter. Before working at Harvard, she was a medical writer and editor at HealthNews, a consumer newsletter affiliated with The New England Journal of Medicine. She is co-author of Break Through Your Set Point: How to Finally Lose the Weight You Want and Keep it Off. Julie earned a BA in biology from Oberlin College and a master’s certificate in science communication from the University of California at Santa Cruz.

Jennifer Crystal is a health writer, educator, and patient advocate in Boston. Her work has been featured in The Boston Globe, Cognoscenti, and many other major publications. She runs the Writing to Heal Program at GrubStreet Creative Writing Center, and has taught at Middlebury College and Lesley University. Jennifer holds a BA from Middlebury College and an MFA from Emerson College. She has completed a summer of study at the Bread Loaf School of English, and the Workshop in Narrative Medicine at Columbia University. Her memoir, which explores questions of identity and belonging through the lens of a young person whose life has been involuntarily interrupted, is on submission.

Dr. Gregory Curfman is Assistant Professor of Medicine at Harvard Medical School and former editor-in-chief of Harvard Health Publishing. He is also on the affiliated faculty of Harvard Law School. Before joining Harvard Health Publishing, Dr. Curfman was the Executive Editor of The New England Journal of Medicine, which has the highest impact factor of any medical journal. Dr. Curfman is board certified in internal medicine and cardiology. He earned his medical degree from Harvard Medical School, and trained in internal medicine and cardiology at Massachusetts General Hospital and Brigham and Women’s Hospital. He directed the Coronary Care Unit at Brigham and Women’s Hospital and the Cardiovascular Health Center, a heart disease prevention program at Massachusetts General Hospital.