Nobel Prize-Winning Physician, Cardiologist & Biochemist; James B. Duke Professor at Duke University; Pioneer in G Protein-Coupled Receptor Research

Durham, NC, USA

Robert J. Lefkowitz, M.D. Biography

Dr. Robert J. Lefkowitz is an American physician, internist, cardiologist, and biochemist recognized for research that advanced the understanding of cellular communication. Lefkowitz holds the James B. Duke Professor of Medicine and Professor of Biochemistry and Chemistry positions at Duke University Medical Center and has served as an Investigator at the Howard Hughes Medical Institute.

Lefkowitz began his research career during a period when the existence of specific receptors for drugs and hormones was debated. After training at Columbia University, the National Institutes of Health, and Harvard, he joined the faculty at Duke University, where he has conducted the majority of his work in molecular biology and pharmacology.

Lefkowitz is known for research on G protein-coupled receptors (GPCRs), a major family of cell receptors involved in responses to hormones, neurotransmitters, light, smell, and pharmaceuticals. His laboratory developed methods for identifying and studying these receptors, clarifying how external signals are translated into biochemical changes within cells. Lefkowitz and colleagues cloned the gene for the beta2-adrenergic receptor, noting its similarity to rhodopsin, a light receptor in the retina. Approximately one-third of all prescription drugs target the family of receptors that Lefkowitz characterized, including beta blockers, angiotensin receptor blockers, and antihistamines.

Lefkowitz received the Nobel Prize in Chemistry, sharing the honor with Dr. Brian Kobilka, for discoveries related to seven transmembrane receptors (G protein-coupled receptors) and the mechanisms regulating their function. Additional recognitions include the Gairdner Foundation International Award, the Association of American Medical Colleges' Biomedical Research Award, the American Heart Association's Basic Research Prize and Research Achievement Award, and the National Medal of Science. His research has also identified novel mechanisms by which receptors function, contributing to the development of new drug classes such as biased agonists.

Lefkowitz has mentored more than 200 trainees, many of whom have advanced to leadership roles in biomedical research. He has served as president of the American Society for Clinical Investigation and the Association of American Physicians, and as a council member of the National Academy of Sciences, where he is an elected member. His memoir, "A Funny Thing Happened on the Way to Stockholm: The Adrenaline-Fueled Adventures of an Accidental Scientist," details his early life, medical training, and research career. The book was recognized by The New York Times and Nature. Lefkowitz's career spans medicine, biochemistry, mentorship, and science communication, establishing him as a leading figure in biomedical science.

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Speaker profile last updated by AAE Talent Team on 10/13/2026.

Robert J. Lefkowitz, M.D. Videos

Reasons for Research: Duke University

Reasons for Research: Duke University

Dr. Robert J. Lefkowitz, Nobel Prize in ...

Dr. Robert J. Lefkowitz, Nobel Prize in ...

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Robert J. Lefkowitz, M.D. is a keynote speaker and industry expert who speaks on a wide range of topics. The estimated speaking fee range to book Robert J. Lefkowitz, M.D. for your event is $20,000 - $30,000. Robert J. Lefkowitz, M.D. generally travels from Durham, NC, USA and can be booked for (private) corporate events, personal appearances, keynote speeches, or other performances. Similar motivational celebrity speakers are Michael Levitt, Arieh Warshel, Tom Cech, Manuel Elkin Patarroyo and Edward M. Schaeffer, M.D., Ph.D.. Contact All American Speakers for ratings, reviews, videos and information on scheduling Robert J. Lefkowitz, M.D. for an upcoming live or virtual event.

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