Dr. Steven A. Thomasson was born in Fairbanks, Alaska, and grew up in Cleveland, OH. He completed his undergraduate studies at the Michigan State University, where he received a BS in Animal Science and then earned his Doctor of Veterinary Medicine (DVM) in 1981. During veterinary school, Dr. Thomasson developed special interests in Internal Medicine, Surgery, Dermatology, and Preventative Medicine.

He owned is first practice in New London, CT for 20 years, with 5 employees that included 4 veterinarians. In 2005, he sold his practice when the opportunity became available to move to the Scottsdale area where he became the owner of Cochise Animal Hospital.

In his spare time, he enjoys hiking, reading novels, astronomy, bridge and dancing. Dr. Thomasson currently resides in Scottsdale with his girlfriend Linda and their dogs, Aspen, a six year old mixed Shepherd and Kona, a nine year old yellow Labrador.