Katrina Armstrong

Katrina Armstrong
President of Columbia University
Acting
In office
August 14, 2024  March 28, 2025
Preceded byMinouche Shafik
Succeeded byClaire Shipman (acting)
Personal details
BornNew Haven, Connecticut, U.S.
SpouseThomas Randall
EducationYale University (BA)
Johns Hopkins University (MD)
University of Pennsylvania (MS)

Katrina Alison Armstrong is an American physician who is CEO of Irving Medical Center and dean of the Faculties of Health Sciences at Columbia University. From August 2024 to March 2025, she also served as interim president of the university.

Armstrong is the first woman to lead Columbia's medical school and medical center. She was the first woman to hold the position of Physician-in-Chief at Massachusetts General Hospital and was elected to the National Academy of Medicine in 2013 and the American Academy of Arts and Sciences in 2020. On August 14, 2024, Armstrong became Columbia University's interim president, following the resignation of Minouche Shafik. On March 7, 2025, Armstrong expressed her commitment to working with the government of Donald Trump. On March 28, Armstrong was succeeded as interim president by Claire Shipman, Co-Chair of Columbia University's board of trustees.