Christian is an Associate Professor in the Department of Kinesiology at the University of San Francisco and the owner of Thompson Fitness Solutions, LLC.  Christian has published scientific articles on exercise programming for older adults in peer-reviewed journals such as Medicine and Science in Sports and Exercise, Journal of Aging and Physical Activity, and Journal of Applied Research.

At USF, Christian is engaged in numerous research and community projects investigating exercise programming for falls prevention in older adults.  These projects, including Brain Body Trainer (neuroscape.ucsf.edu) and Always Active (www.alwaysactive.org) have been externally funded by the National Institutes of Health, San Francisco Department of Aging and Adult Services, Kaiser Permanente Community Benefit Foundation, and the Moore Foundation.  These works resulted in Christian receiving the Outstanding Young Researcher Award from the Council on Aging and Adult Development in 2009 and provide numerous research opportunities for undergraduate students at USF.

Christian’s professional service includes involvement with the American College of Sports Medicine by serving as Chair of the Interest Group on Aging, the Health & Fitness Summit Planning Committee and previous service to the Professional Education Committee.

Christian is a featured author on older adult exercise for the PTA Global certification program and also developed educational content for IDEA, the National Academy of Sports Medicine, TRX Training, the American College of Sports Medicine and the American Senior Fitness Association.  He serves as an advisor to many industry groups including the Functional Aging Institute and has written for numerous lay publications such as the ACSM Health Fitness Journal, IDEA Fitness Journal, San Francisco Chronicle, Cleveland Clinic Health Newsletter, Arthritis Advisor, and GOLF Magazine.