A native of Kansas City, Dr. Clark attended medical school directly out of high school. In 1981, he attended the University of Missouri-Kansas City School of Medicine. There he received a B. A. in Biology and his medical degree.

In 1987-88, Dr. Clark completed his medical internship at Henry Ford Hospital in Detroit, Michigan.

From 1988-91, Dr. Clark completed his ophthalmology residency at the Eye Foundation of Kansas City at the University of Missouri, where he also served as chief resident. It was during this time that Dr. Clark had his first exposure to refractive surgery. The Eye Foundation participated in the initial clinical trials for the Excimer laser in the United States (1989-91).

Dr. Clark was in private practice in Kansas City for 10 years. During that time he was a clinical assistant professor of ophthalmology at the University of Missouri-Kansas City. he was also the Director of Eye Care Services for Kaiser-Permanente of Kansas City.

Dr. Clark was board certified by the American Board of Ophthalmology in 1994. He started doing LASIK surgery in Kansas City in 2000.

Dr. Clark is a former Lieutenant Commander in the US Public Health Service. He served for two years with the Indian Health Service in Arizona.

Dr. Clark and family moved to Minnesota four years ago. He has been in private practice there and has performed thousands of refractive procedures in St. Cloud, Plymouth, and Minneapolis.