Jim Keller, a Colorado native, became certified in 1991 after earning his undergraduate degree from Fort Lewis College in Durango Colorado. He earned his degree in Exercise Science with an emphasis on Athletic Training. After finishing his undergraduate degree, Jim completed a 1 yearlong internship with the Denver Broncos in the 1991 NFL season. Upon completion of multiple internships with the Broncos, Jim traveled to Greeley and the University of Northern Colorado for Graduate School. He attained his MA in Kinesiology and Graduate Assistantship in the Athletic Training department, working primarily with the football and basketball programs.

In 1994 Jim started his professional career as an Assistant Athletic Trainer for the Denver Broncos. Jim benefited early in his career, working under two other CATA HOF members, Steve Antonopulos and Jim Gillen. In the 90’s the Bronco Athletic Trainers also covered High School games and provided outreach care to High Schools in Jefferson County area. During his time with the Broncos, he was extremely fortunate to be part of the Superbowl 32 and 33 winning teams. This experience was invaluable, as Jim learned from the entire Bronco medical staff, players, coaches' administrators, and personnel. 

Growing up in a construction family, Jim always had passion, drive and desire to enter the business world. From his business desire and experience with the Denver Broncos, he felt he possessed unique insight into elite-level training and rehabilitation techniques. Jim threw caution to the wind and founded Next Level Sports Performance and Physical Therapy, in 2004. 18 years later, and the company continues to grow and serve the Jefferson County area and community. 

In June of 2018, Jim was nominated as President of the Colorado Athletic Trainers Association. Early in his Presidency he knew the importance of teamwork and building on the 50-year history of trying to attain licensure for Athletic Trainers of Colorado. The Colorado Athletic Trainers Association proved successful in attaining licensure not once but twice in both 2019 and 2021 for the first time in State history. The CATA board, GAC, Lobbyists, Sponsors, Committees, and surplus of CATA membership proved successful winning both House Bill 1083 and Senate Bill 147 respectively. Upon completion of the Presidential term, Jim plans to return to public speaking, time for his hobbies, family, and friends!