Sign up
Sign in
Craig Marker, Ph.D. CSCS, Associate Professor, is a health psychologist who has spent his life trying to help people improve their lives.
I turn athletes into Olympic gold medalists.I've trained medalists in 22 sports and helped thousands reach their fitness goals More at https://goo.gl/uEBQG4
Figuring out how strength training works. See more of what I do: https://www.patreon.com/join/SandCResearch
Everything you need to know to start and grow your business now.
Craig Marker
Charles R Poliquin
Chris Beardsley
Despina Serfa
inc. magazine
See all (27)
Help
Status
About
Careers
Press
Blog
Privacy
Terms
Text to speech
Teams