Dr. Zehendner was born and raised in Fort Wayne, Indiana. He studied at Purdue University and graduated with a degree in veterinary medicine in 1969. From there, he moved to Harbor Beach, Michigan and spent two years treating large animals for a busy dairy practice. In 1972, Dr. Zehendner moved back home to Fort Wayne, Indiana to practice at a small animal clinic, where he spent the next six years caring for companion animals. In 1977, he moved here to Portland, Oregon and established East Portland Veterinary Clinic- focusing on dogs and cats. Dr. Zehendner was a member of the Board of Dove Lewis Emergency Animal Hospital from 1998-2004, having served as President of the Board from 2002-2003. He is an avid outdoorsman and has spent the past fourteen years raising and training Labrador Retrievers.