Dr. Jeff grew up in the Kirkwood area and began his association with Clark Animal Hospital in 1976 as a volunteer during junior high school. He developed a passion for working with animals and later spent several summer breaks from Kirkwood High School and the University of Missouri-Columbia working as a kennel assistant. Dr. Jeff completed his undergraduate studies and veterinary school in six years at Mizzou.  He graduated in 1985 and spent the first five years of his career practicing in Ft. Lauderdale, Florida.  He returned to Clark Animal Hospital in 1990 and became a co-owner in 1997.

Dr. Jeff  has two children with his late wife Gillian,  a daughter, Devan, and a son, Terry.  Dr. Jeff shares his home with two golden retrievers and two cats. Dr. Jeff enjoys running, gardening, hiking, fishing and travel.