HGHI Experts

To request an interview, please contact us. A full HGHI staff list is available here.

Ashish K. Jha | MD, MPH

Faculty Director

Ashish Jha, MD, MPH, is the K.T. Li Professor of Global Health at Harvard University. Dr. Jha's research endeavors focus on improving the quality and costs of healthcare systems with a specialized focus on the impact of policies. 

Ingrid Katz | MD, MHS

Associate Faculty Director

Dr. Ingrid Katz 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. She is trained in Infectious Diseases and completed a fellowship in Global Women’s Health. 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.

Stefanie Friedhoff

Director of Content and Strategy | Senior Editor

Stefanie Friedhoff has worked as a foreign correspondent, feature writer, editor and photographer on three continents. A German-American journalist and content strategist with 25+ years of experience in international media and higher education, she is an expert at creating innovative approaches to engage audiences in critical conversations about global health.

Aaron Bernstein | MD, MPH

Assistant Faculty Director, Climate Change & Health Initiative

Dr. Aaron “Ari” Bernstein is Co-Director of Harvard C-CHANGE and a pediatric hospitalist at Boston Children’s Hospital. Bernstein focuses on the health impacts of the climate crisis on children’s health and advancing solutions to address its cause. In 2019, Bernstein testified before Congress on the child health impacts of climate change.

Jose Figueroa | MD, MPH

Affiliated Faculty

Dr. Jose Figueroa’s research focuses on improving quality of health care for complex and vulnerable populations. Specifically, his work has examined the drivers of poor clinical outcomes and health care spending for high-risk populations, including frail older adults, people with serious mental illness, disabled populations, and racial and ethnic minorities.

Olga Jonas

Olga Jonas | MA, MPA

Senior Fellow

Before joining HGHI, Olga Jonas coordinated the operational response to avian and pandemic flu threats at the World Bank. She was the lead World Bank author of the joint UN-World Bank progress reports and presented on the global response to five ministerial conferences. She served as lead economist of the World Bank/Commonwealth task force on small states, coordinating response to the 2004 Indian Ocean tsunami, emergency response policy, extractive industries review, and macroeconomic operational work with francophone African countries.

Renee Salas | MD, MPH, MS

Affiliated Faculty

Dr. Renee Salas focuses her career on research, education, and outreach at the intersection of the climate crisis, health, and health care delivery. She engages in research to better understand how climate change is impacting the health care system and evidence-based adaptation. 

Thomas Tsai | MD, MPH

Affiliated Faculty

Dr. Thomas Tsai is a surgeon and health policy researcher. He focuses on understanding the impact of health policy efforts on achieving value in our healthcare system by reducing spending and improving outcomes. Using national Medicare claims data, his work has examined the relationship between hospital quality and readmissions; patient experience as a measure of quality; and racial and socioeconomic disparities in readmission rates.

Experts Across Harvard

Epidemiology | Immunology | Virology | Infectious Disease Specialists

Barry Bloom | Joan L. and Julius H. Jacobson Research Professor of Public Health, Harvard T.H. Chan School of Public Health

Bruce Walker | Director, Ragon Institute of MGH, MIT and Harvard, & Director, Harvard University Center for AIDS Research

Caroline Buckee | Associate Professor of Epidemiology, Harvard T.H. Chan School of Public Health

Eric Rubin | Irene Heinz Given Professor of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health

Marc Lipsitch | Professor of Epidemiology, Harvard T.H. Chan School of Public Health, & Director, Center for Communicable Disease Dynamics

Megan Murray | Professor of Epidemiology, Harvard T.H. Chan School of Public Health

Michael Mina | Assistant Professor of Epidemiology, Harvard T.H. Chan School of Public Health

Paul Sax | Clinical Director of the Division of Infectious Diseases, Brigham and Women’s Hospital, & Professor of Medicine at Harvard Medical School

Paul Farmer | Kolokotrones University Professor of Global Health and Social Medicine, Harvard Medical School, & Co-Founder and Chief Strategist, Partners In Health

Rochelle Walensky |  Professor of Medicine, Harvard Medical School, & Chief of the Division of Infectious Diseases, Massachusetts General Hospital

Roger Shapiro | Associate Professor of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health

William Hanage | Associate Professor of Epidemiology, Harvard T.H. Chan School of Public Health

Health Policy | Systems Specialists

Ashish Jha | K.T. Li Professor of Global Health, Harvard T.H. Chan School of Public Health, & Director, Harvard Global Health Institute

Eric McNulty | Associate Director, Program for Health Care Negotiation and Conflict Resolution, & Instructor, the Harvard T.H. Chan School of Public Health

Gillian SteelFisher | Senior Research Scientist, Harvard T.H. Chan School of Public Health

Howard Koh | Harvey V. Fineberg Professor of the Practice of Public Health Leadership, Harvard T. H. Chan School of Public Health and Harvard Kennedy School

Robert Blendon | Richard L. Menschel Professor and Senior Associate Dean for Policy Translation and Leadership Development, Harvard T.H. Chan School of Public Health

Vanessa Kerry | Associate Professor of Medicine & Director, Program in Global Public Policy and Social Change, Harvard Medical School

Economics | Preparedness | Security Specialists

Bruce Schneier | Adjunct Lecturer in Public Policy, Harvard Kennedy School

Carmen Reinhart | Minos A. Zombanakis Professor of the International Financial System, Harvard Kennedy School

David Bloom | Clarence James Gamble Professor of Economics and Demography, Harvard T.H. Chan School of Public Health

Jason Furman | Professor of the Practice of Economic Policy, Harvard Kennedy School

Jeffrey Frankel | Professor of Capital Formation and Growth, Harvard Kennedy School

Juliette Kayyem | Belfer Senior Lecturer in International Security, Harvard Kennedy School

Leonard Marcus | Lecturer on Public Health Practice, Harvard T.H. Chan School of Public Health, & Co-Director, The National Preparedness Leadership Initiative

Linda J. Bilmes | Daniel Patrick Moynihan Senior Lecturer in Public Policy, Harvard Kennedy School

Margaret Bourdeaux | Instructor in Medicine, Brigham and Women’s Hospital, Harvard Medical School

Megan Greene | Senior Fellow, Harvard Kennedy School

Olga Jonas | Senior Fellow, Harvard Global Health Institute

Paul Biddinger | Director, Emergency Preparedness Research, Evaluation, and Practice Program, Harvard T.H. Chan School of Public Health

Paul Sheard | Senior Fellow, Harvard Kennedy School

Rachael Piltch-Loeb | Preparedness Fellow, Harvard T.H. Chan School of Public Health

Setti Warren | Director, The Shorenstein Center on Media, Politics, and Public Policy, Harvard Kennedy School

William Hsiao | K.T. Li Research Professor of Economics, Department of Health Policy and Management and Department of Global Health and Population, Harvard T.H. Chan School of Public Health

Willy Shih | Robert and Jane Cizik Professor of Management Practice in Business Administration, Harvard Business School

Winnie Yip | Professor of the Practice of International Health Policy and Economics, Harvard T.H. Chan School of Public Health

Other Specialists

Claire McCarthy | Assistant Professor of Pediatrics, Harvard Medical School, & Faculty Editor, Harvard Health Publishing

Jeremy Samuel Faust | Emergency Physician, Brigham and Women’s Hospital, & Instructor, Harvard Medical School

John S. Brownstein | Professor of Pediatrics, Boston Children’s Hospital, Harvard Medical School

Kasisomayajula Viswanath | Lee Kum Kee Professor of Health Communication, Harvard T.H. Chan School of Public Health

Muriel Gillick | Professor of Population Medicine, Harvard Medical School

Timothy Scarella | Instructor in Psychiatry, Beth Israel Deaconess Medical Center, Harvard Medical School

Media Mentions