This Veteran Turned Entrepreneur Used Cannabis To Treat His PTSD. Now He’s Giving Back To Other Vets. Posted byJonathan Small November 11, 2019 Leave a comment on This Veteran Turned Entrepreneur Used Cannabis To Treat His PTSD. Now He’s Giving Back To Other Vets. James Kim is an army vet and co-founder of Stiiizy a cannabis company and hip weed shop in downtown LA.