His modeling career began when he was 15 years after friends and school teachers nudged him toward that career path. He did his first test shoot in Calgary and began making decent money at the job around age 18 or 19. Chapman appeared in shooting advertorials, catalogs, and campaigns for brands such as Levi’s and American Apparel. As a model, he is represented by Wilhelmina Models.
Further, he has modeled in several venues including the United States, Canada, South Africa, and Europe. Also, Chapman modeled in international campaigns for American Apparel and Levi’s.