Don graduated from the California State University, Long Beach, in 1978 with a Bachelor of Science in Physical Therapy, and received his certification in Athletic Training from the National Athletic Trainers Association in 1979.  He is board certified in Orthopedic Physical Therapy and was named one of the first Full Fellows in the American Academy of Orthopedic Manual Physical Therapy.

Additionally, he has certification by the International Seminar of Orthopaedic Medicine/Manipulative Therapy.

Don has 26 years experience in outpatient physical therapy, including 8 years experience as a college athletic trainer.  Prior to joining Sacramento Knee & Sports Medicine, Don co-opened Folsom Physical Therapy in 1984, and continued to be a core faculty member of the Folsom Physical Therapy Long Term Orthopedic Manual Therapy Course through 2002.  He has also been a faculty member at California State University, Sacramento; he has been teaching short courses in Orthopedic Manual Therapy for over 16 years.  Don is on staff at Sutter General Hospital.

Don is the co-owner of Torrey-Nickerson Physical Therapy.  Working in tandem with the physicians of Sacramento Knee & Sports Medicine since 1989, Don’s practice focus is rehabilitation management of the knee, shoulder, and elbow injuries.  He has long been a proponent of home therapy programs, providing expertise in pre-surgical counseling, and re-enforcement in post-surgical follow-up. 

In 1986, Don was an athletic trainer at the United States Pan American Games.  An avid bicycle rider, Don has completed the Death Ride 6 times, and in October, 2004, rode in Lance Armstrong’s cancer benefit ride in Austin, Texas.