Kevin Fitzgerald grew up in Denver and graduated from the University of Colorado in Boulder where he also received his masters and doctorate degrees in endocrinology. In 1983 he received a DVM from Colorado State University.

Dr. Fitzgerald has served as President of the Denver Area Veterinary Medical Society (DAVMS), as a member of the Board of Directors of the Rocky Mountain Poison and Drug Center, and since 1985 has been assistant professor adjunct at the University of Denver where he teaches Perspectives in Veterinary Medicine.

In 1998 he became board-certified in Canine and Feline Practice by the American Board of Veterinary Practitioners. Dr. Fitzgerald writes monthly columns for the American Kennel Club Gazette, American Kennel Club Family Dog magazine and Police Dog magazine. He also has written twenty-one book chapters in various veterinary texts ranging from small animal toxicology and emergency medicine to reptile medicine and surgery. In 1993 he received the "Up and Coming" veterinarian award from the Colorado Veterinary Medical Society and in 2006 he received Hill's Dog Food and Veterinary Specialists in Private Practice's "Spirit of Excellence" award for the outstanding specialist in private practice.

For four years he had a weekly radio spot, "Veterinary Corner," on Lewis and Floorwax's popular morning show. Since 2003 he has hosted a weekly television segment, "Animal House" on Denver's Channel 2 morning news, and since 1997 he has been one of the featured veterinarians on Animal Planet's Emergency Vets.

His hobbies include stand-up comedy, traveling and movies. He thinks none of us laugh enough.