Thomas Tsai

Dr. Tsai received his undergraduate degree from Harvard College, his medical degree from Stanford University School of Medicine, and his MPH from the Harvard T.H. Chan School of Public Health. He completed a general surgery residency at Brigham and Women’s Hospital and an advanced minimally invasive gastrointestinal and bariatric surgery fellowship Massachusetts General Hospital. 

Dr. Tsai is board certified in general surgery. His clinical interests include laparoscopic and robotic surgery for gastroesophageal reflux disease and paraesophageal hernias; complex abdominal wall reconstruction; and bariatric surgery. Dr. Tsai’s research focuses on health policy evaluation and on policy and systems-level interventions to improve the quality and value of surgical care.

At Harvard, he serves as the Assistant Faculty Lead to the Harvard Global Health Institute’s Climate and Health Initiative and the co-Director of the Center for Climate Health and the Global Environment (C-CHANGE) at the Harvard T.H. Chan School of Public Health.

In 2015, he was awarded a Lokey-Businesswire visiting professorship at Stanford University and has also been a visiting professor at Columbia University. Dr. Bernstein has been a member of the Harvard President’s Climate Change Task Force and co-Chairs the University Food Standards Committee.

He serves on the American Academy of Pediatrics Council on Environmental Health Executive Committee, the Board of Scientific Counselors to the CDC’s National Center for Environmental Health and Agency for Toxic Substances and Disease Registry, and is Chair of the Board of Directors of the U.S. Green Building Council.

After receiving his bachelor’s degree in Human Biology from Stanford University, he received graduate degrees in medicine (MD) and public health (MPH), from the University of Chicago and Harvard University, respectively. He is a recipient of Stanford University’s Firestone Medal for Research and a Harvard University Zuckerman Fellowship.

An avid bicyclist, Dr. Bernstein pedals to and from work year-round.

Prior to her PhD, Liana served as the Assistant Director of the Harvard Initiative on Global Health Quality (HIGHQ). In 2015-16, as an extension of her role at the Institute, she coordinated the Harvard-LSHTM Lancet Report on the Global Response to Ebola. More recently, she worked with Irene Papanicolas and Ashish Jha on an NASEM commission to quantify harm caused by poor quality healthcare in LMICs and a series of comparative health system performance evaluations in high income countries, with published output in JAMA, the BMJ and HealthAffairs. Current COVID-related projects include: 1.) Assessing the impact of social distancing policies on changes in aggregate human mobility, and 2.) Developing a risk score-card to mitigate reproductive health sequalae from COVID-19.

Liana holds a B.A. from Wesleyan University and completed an MSc at the LSE and the London School of Hygiene and Tropical Medicine (LSHTM). Prior to joining the Institute, she worked with the U.S. Center for Medicare and Medicaid Services and was a Global Health Corps Fellow at Partners In Health. As a Thomas J Watson Fellow Liana also worked with, and studied, iterations of the Community Health Worker model in over ten countries including Rwanda, Bangladesh, India and the United States.

Dr. Salas served as the lead author for the 2018 and 2019 Lancet Countdown on Health and Climate Change U.S. Brief and will again in 2020. Dr. Salas was a Co-Director for the first Climate Crisis and Clinical Practice Symposium and launched the broader Initiative in partnership with The New England Journal of Medicine and serves on the planning committee for the National Academy of Medicine’s Climate Change and Human Health Initiative. She engages in research on how climate change is impacting the healthcare system and developing evidence-based adaptation. She lectures on climate and health nationally and internationally, has published in high impact journals, and her work and expertise has been featured in mainstream media outlets like the New York Times, NPR, Time, and the Associated Press. Her Doctor of Medicine is from the innovative five-year medical school program to train physician-investigators at the Cleveland Clinic Lerner College of Medicine with a Master of Science in Clinical Research from the Case Western Reserve University School of Medicine. Her Master of Public Health degree is from the Harvard T.H. Chan School of Public Health with a concentration in environmental health.

Dr. Katz, the Associate Faculty Director at HGHI, serves as an Associate Physician in the Department of Medicine at Brigham and Women’s Hospital and is a research scientist at the Center for Global Health at Massachusetts General Hospital. Her research over the past decade has focused on the social determinants of health-seeking behavior among people living with HIV in sub-Saharan Africa, with the goal of developing sustainable, socio-behavioral interventions aimed at improving care for the most under-served.

She is trained in Infectious Diseases and received her MD from the University of California at San Francisco and trained in Internal Medicine at Brigham and Women’s Hospital, and in Infectious Diseases at Beth Israel Deaconess Medical Center. She completed a fellowship in Global Women’s Health at Brigham and Women’s Hospital and has been on staff there since 2009.

She has been consistently funded as a Principal Investigator through the National Institutes of Health since 2012 and has served as an Editorial Fellow and a National Correspondent for the New England Journal of Medicine.

He has an educational background in physics and engineering. After receiving his PhD in statistical and applied mathematics, he spent 4 years at a research and consulting firm conducting policy evaluations for federal health agencies.

Austin is now the Director of the Partnered Evidence-based Policy Resource Center (PEPReC) at the Boston VA Healthcare System, U.S. Department of Veterans Affairs. He is also an Associate Professor with the Department of Health Law, Policy and Management at Boston University’s School of Public Health. In addition, he is an Adjunct Associate Professor with the Department of Health Policy and Management at the Harvard T.H. Chan School of Public Health.

Austin is a Senior Associate Editor for Health Services Research and serves on the editorial board of The American Journal of Managed Care. He is also a member of the New England Comparative Effectiveness Public Advisory Council.

Austin has authored numerous peer-reviewed, scholarly publications, many relevant to health care financing, economics, and policy.

In addition to regular contributions to The New York Times’ The Upshot, he writes for the JAMA Forum.

He currently is the 2017-2018 Burke Global Health Fellow at the Harvard Global Health Institute and the Faculty Director of the Residency Management & Leadership Pathway at the Brigham & Women’s Hospital. His research focuses on identifying drivers of spending and poor outcomes among high-need, high-cost populations, improving health equity, and evaluating the impact of pay-for-performance efforts globally on health care quality and costs. He was a member of a national planning committee at the National Academy of Medicine for high-need patients and serves as a faculty advisor for the Institute for Healthcare Improvement.