Medical and health researchers

Marco J. Bruno

Marco J. Bruno (born 1963) is a Dutch gastroenterologist and professor of Gastroenterology & Hepatology at Erasmus MC in Rotterdam, known for pancreatitis trials and international pancreatic cancer screening guidelines.

Marco Londei

Marco Londei is an immunologist and physician-scientist known for coeliac disease research, trained at the University of Bologna, who later led drug development at Novartis and Bristol-Myers Squibb.

Marco Marra

Marco A. Marra is a Canadian genome scientist who led the 2003 sequencing of the SARS coronavirus and co-led Canada's Personalized OncoGenomics program for advanced cancer patients.

Marco Metra

Marco Metra (born 1957) is an Italian cardiologist known for the RELAX-AHF serelaxin trials in acute heart failure and for co-chairing the 2021 ESC heart failure guidelines.

Marco Pahor

Marco Pahor is a physician-scientist in geriatric medicine who directed the University of Florida Institute on Aging and led the LIFE study of physical activity and mobility disability in older adults.

Marco Prinz

Marco Prinz is a German physician-scientist who has directed the Institute of Neuropathology at the University of Freiburg since 2008 and is known for research on microglia.

Marco Ruella

Marco Ruella is an Italian-born physician-scientist and hematology-oncology professor at the University of Pennsylvania, known for long-term CAR T-cell therapy studies in lymphoma and for founding viTToria Biotherapeutics.

Marco Valgimigli

Marco Valgimigli, born 1972 in Forlì, Italy, is an Italian interventional cardiologist who led the MATRIX and MASTER DAPT trials, co-developed the PRECISE-DAPT score, and became Chief of Cardiology at Cardiocentro Ticino in Lugano in 2026.

Marcus Flather

Marcus Flather is a British cardiologist and clinical trials researcher, Emeritus Professor at the University of East Anglia, best known for leading the ART bypass surgery trial.

Marcus Lind

Marcus Lind is a Swedish professor of diabetology at the University of Gothenburg and chief physician at the NU Hospital Group in Uddevalla, known for studies of excess mortality in diabetes.

Marcus M. Reidenberg

Marcus M. Reidenberg was an American clinical pharmacologist who spent over 40 years at Weill Cornell Medicine, studying why people respond differently to the same drug.

Marcus Mall

Marcus Mall, or Marcus A. Mall, born 1968 in Stuttgart, is a German pediatric pulmonologist known for cystic fibrosis research who directs pediatric respiratory medicine at Charité Berlin.

Marcus Maurer

Marcus Maurer (1966–2024) was a German dermatologist and allergist who co-directed Immunology and Allergology at Fraunhofer ITMP in Berlin and led pivotal urticaria drug trials.

Margaret A. Chesney

Margaret A. Chesney is an American psychologist and epidemiologist, Professor Emerita at UCSF and a National Academy of Medicine member, known for behavioral research on HIV/AIDS and cardiovascular disease.

Margaret A. Fischl

Margaret A. Fischl is an American infectious-diseases physician at the University of Miami who led the 1987 AZT trial producing the first approved HIV drug.

Margaret A. Honein

Margaret A. Honein, known as Peggy Honein, is an American epidemiologist directing a CDC infectious disease division, with leadership roles in the H1N1, Zika, and COVID-19 responses.

Margaret A. Phillips

Margaret A. Phillips (born 1959) is an American biochemist at UT Southwestern known for malaria drug discovery and elected to the National Academy of Sciences in 2021.

Margaret A. Shipp

Margaret A. Shipp is an American medical oncologist who leads the Division of Hematologic Neoplasia at Dana-Farber and coordinated the International Prognostic Index for lymphoma.

Margaret A. Tucker

Margaret A. Tucker is an American physician-scientist and genetic epidemiologist who led the National Cancer Institute's familial cancer research for over 40 years, quantifying BRCA1 and BRCA2 cancer risks.

Oct 10, 2026

Margaret Bourdeaux

Margaret Bourdeaux is an American physician and health-security researcher who leads Harvard Medical School's Program in Global Public Policy and studies health systems in conflict-affected states.

Margaret E. Kruk

Margaret E. Kruk is a Canadian-trained physician and health systems researcher at Washington University in St. Louis, known for chairing the Lancet Commission on High Quality Health Systems.

Margaret G. Stineman

Margaret G. Stineman, also known as Margaret Grace Stineman, was an American physiatrist and epidemiologist at the University of Pennsylvania whose patient classification underlies Medicare's rehabilitation payment system.

Margaret Grey

Margaret Grey is an American nurse scientist who studies self-management of chronic illness, especially type 1 diabetes in youth, and was dean of the Yale School of Nursing from 2005 to 2015.

Margaret Hamburg

Margaret (Peggy) Hamburg is an American physician and public health leader who served as the 21st FDA commissioner from 2009 to 2015, and earlier as New York City health commissioner.

Oct 10, 2026

Margaret Jennings (bacteriologist)

Margaret Jennings (1904–1994) was a British physician and bacteriologist who carried out the biological testing and animal experiments in the Oxford penicillin project, and became Howard Florey's second wife in 1967.

Margaret M. Redfield

Margaret M. Redfield is an American cardiologist and physician-scientist at Mayo Clinic in Rochester, Minnesota, whose research has defined the epidemiology and treatment of HFpEF.

Margaret S. Herridge

Margaret S. Herridge is a Canadian critical care physician-scientist at the University of Toronto and University Health Network who studies long-term outcomes for ICU survivors and their caregivers.

Margareta Blombäck

Margareta Blombäck (1925–2024) was a Swedish physician and hematologist, a pioneer of hemostasis research who led the Karolinska Hospital coagulation laboratory and held its coagulation research chair.

MargaretA. Menser

Margaret A. Menser, later Margaret Anne Burgess, is an Australian immunologist and pediatrician who showed congenital rubella raises diabetes risk and ran Australia's first rubella vaccine trials.