Katrin Hartmann qualified from the College of Veterinary Medicine of the Ludwig Maximilian University Munich in 1987. She obtained her DMV in small animal internal medicine in 1990.
From 1988 to 1996, she was resident and clinical instructor at the Department of Small Animal Medicine at the University of Munich and from 1996 to 2001 she was assistant professor at the same department.
She became Diplomate of the European College of Veterinary Internal Medicine – Companion Animals in 1999 and holds the German title of Fachtierarzt (specialised veterinarian) in both internal medicine and clinical pathology.
From 2001 to 2003, she was appointed associate professor of internal medicine at the Small Animal Department at the College of Veterinary Medicine, University of Georgia (USA).
In 2003, she returned to Munich to take up the position of Full professor of Small Animal Medicine at the Ludwig Maximilian University Munich, where she still works today.