Greg “Doc J” Johnston, M.D., is the founder of Workstrong, a functional and preventive medicine consultancy dedicated to the industrial sector.
In 1990, Doc J founded an industrial medicine practice, AIM clinic in Phoenix, Arizona. His personal quest for fitness and a longer, healthier life led him to study and eventually receive board certification from the American Academy of Anti Aging and Regenerative Medicine.
Doc J is an avid health enthusiast who practices what he preaches. In his free time he can be found hiking Camelback Mountain, jogging with his dogs or partaking of some sort of physical sport. He has been hiking the Grand Canyon on a rim to-rim sprint down, across, and up the 27-mile jaunt annualy for the past 25 years.