Stanford Pathology in the News

Pathologist, Christmas tree farmer Jon Kosek dies at 90

Pathology Faculty in the news

Jon Kosek, MD, clinical professor emeritus of pathology

An outdoor enthusiast, bicyclist and founder of a Christmas tree farm, Kosek was a staff pathologist at the VA Palo Alto Heath Care System for nearly 45 years, mentoring hundreds of residents and students.

Jon Kosek, MD, clinical professor emeritus of pathology, died Oct. 16 at his home on the Stanford campus. He was 90. 

“Jon Kosek was a dedicated teacher and an expert pathologist who devoted decades to his field,” said Lloyd Minor, MD, dean of the School of Medicine.  “Countless trainees and colleagues benefited from his wisdom and guidance. He will be missed here at Stanford Medicine, and his influence in pathology labs across the nation will be lasting.”