Gymnastics Coach (Tumbling and Trampoline) Job Description. The WHGF Tumbling and Trampoline (T&T) Team Coach is responsible for the development and management of the T&T Pre-Team and Team. this includes but is not limited to utilizing technical approaches that will increase the quality and performances of the T&T Pre-Team and Team, providing a learning environment for all athletes and preparing them for future competitions. The role is accountab...