John M. Kruger

John M. Kruger
  • Pat Carrigan Chair in Feline Health
  • Established through a gift from Pat Carrigan
  • Small Animal Clinical Sciences


John Kruger is the Pat Carrigan Chair in Feline Health in the Department of Small Animal Clinical Sciences in the College of Veterinary Medicine. He also is the director of the MSU Center for Feline Health and Wellbeing. His research focuses on disorders of the canine and feline urinary system, with a special emphasis on urinary bladder and elimination disorders.

Kruger earned both his DVM and his PhD at the University of Minnesota, and joined MSU in 1989. Prior to holding the Carrigan Chair, he served as the associate chairperson for the Department of Small Animal Clinical Sciences from 1999-2015 and the acting department chairperson from 2015-2016.

Kruger’s most notable contributions to his field include include the identification of effective treatment strategies for feline idiopathic cystitis and noninvasive management of feline urolithiasis.  Kruger is a diplomate of the American College of Veterinary Internal Medicine. He is the recipient of the 2005 Distinguished Faculty Award from the College of Veterinary Medicine, and the 2009 Pfizer Animal Health Award for Research Excellence.