Income from private (1:1) lessons and group lessons are based on professional's ability to inspire, engage, convert, and retain clients; special focus should be on social group/clinic instruction for women, juniors, couples, men, etc. About Troon: Founded in 1990 and headquartered in Scottsdale, AZ, Troon is the world's largest professional club management company, that specializes in services in golf, hospitality, and residential communities.