Dr. Hartman studied at Southern Illinois University at Carbondale on a football scholarship, where he earned a Bachelor of Science degree in Zoology in 1994. Later, he attended the University of Illinois at Urbana-Champaign where he earned a Bachelor of Science in Veterinary Sciences and a Doctorate of Veterinary Medicine in 1999. After being a mixed animal, small animal and relief practitioner, Dr. Hartman opened Valley Lakes Veterinary Clinic in March 2006. In 2019, he joined Hoffman Estates Animal Hospital.
His hobbies include boating with his family, waterfowling and trap shooting. Dr. Hartman, his wife, and their daughter share their home with a cock-a-doodle, Frank.