Johns Hopkins UniversityEst. 1876

America’s First Research University

Meet Gary Alan Koretzky, M.D.

Gary Alan Koretzky, M.D.

Gary A. Koretzky, MD, PhD, is an emeritus professor of medicine at Weill Cornell Medical and an emeritus professor of microbiology and immunology at the Cornell College of Veterinary Medicine.

Published Works

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Cover of "Your Immune System: The Amazing Science of Who You Are" by Gary A. Koretzky, MD, PhD, featuring colorful molecular clusters on a soft gradient background.
Your Immune System
The Amazing Science of Who You Are

Gary A. Koretzky, MD, PhD

Publication Date: October 6, 2026

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