Founder of Kinesics, Drefahl is a renowned expert and innovator in the fields of human movement science. Drefahl developed Kinesics Human Movement Systems as a proactive solution to reduce the risk and expense of musculoskeletal injuries and disorders (MSD's) in medical, athletic, fitness, and occupational populations.

Kinesics, a musculoskeletal health management company centered on health technology and data analytics software solutions, is focused on being the preeminent platform for empowering organizations, corporations, and institutions to manage risk and improve performance in their patients, athletes, clients, and employees.