Ryan J. Marker, PT, DPT, PhD is an Assistant Professor in Physical Medicine and Rehabilitation at the University of Colorado Anschutz Medical Campus. He completed his Doctor of Physical Therapy degree (2011) and PhD in Rehabilitation Science (2015) at the University of Colorado Anschutz Medical Campus. During this time, he investigated the neurophysiologic mechanisms of stress-induced muscle activity and neck pain. He completed a postdoctoral fellowship at the Anschutz Health and Wellness Center working with the BfitBwell Cancer Exercise Program, investigating an exercise intervention for pancreatic cancer survivors undergoing neoadjuvant chemotherapy and preparing for surgery. He has clinical experience working with geriatric patients in skilled nursing facilities.


Dr. Marker is currently the Director of the BfitBwell Cancer Exercise Program at the University of Colorado Anschutz Health and Wellness Center, overseeing all clinical and research activities of the program. His personal research agenda includes developing and implementing effective exercise interventions for cancer survivors living in rural areas and from other underserved populations, and utilizing exercise as an intervention to remediate cancer-related fatigue. He has also developed and implemented clinical fitness programs for patients recovering from addiction, patients recovering from bariatric surgery, and patients with chronic kidney disease preparing for transplant. He has worked with the Physical Therapy program since 2019, coordinating and delivering Exercise Science content and assisting in research-focused courses. In his free time, he enjoys spending time playing games and being outside with his wife, two children, and dog.