Athletic trainer Macalester College, St. Paul, 1965-1980. Research therapist University Minnesota Hospital, Minneapolis, 1969-1972. Vice president Orthopedic Physical Therapy, St. Paul, 1972-1981.
President Coplin Physical Therapy, Inc., St. Paul, Minneapolis and Bloomington, Minnesota, 1981-1993. Physical therapist Minnesota North Stars Professional Hockey Club, Bloomington, 1981-1991, vice president Southwest area Rehabilitation Clinics, 1993. Consultant Irving, Texas, since 1993.
Clinical instructor School Physical Therpay, University Minnesota, 1970-1988. Consultant sports medicine Minneapolis, St. Paul Public High Schools, 1981-1993. Executive director Second Wind Sports Medicine Center of Mount Sinai Hospital, Minneapolis.
Physical therapist Minnesota Twins professional baseball club, Minneapolis, 1988-1993. Consultant Cambridge (Minnesota) Sports Medicine, 1986-1992.
Coach Irondale Basketball Association, New Brighton, Minnesota, 1972-1987. President Coplm Quarter Horses, since 1994, Health Fitness Rehabilitation, 1996-1998. Member National Athletic Trainers Association, American Physical Therapy Association (vice president Minnesota chapter 1980-1982), American College Sports Medicine, Minneapolis Chamber of Commerce, St. Paul Chamber of Commerce, Bloomington Chamber of Commerce.