A native of Osaka, Japan, Jun Tsuruta began working as a personal trainer at a fitness club after graduating from a vocational school for trainers. While providing exercise instruction aimed at improving health and physical function for general clients and amateur and professional golfers, he pursued psychology at a university to deepen understanding of the relationship between body and mind. He currently serves as the representative of Personal Training Gym Progresso Lab and works as a contracted strength coach at PRIISM Golf Lab Tokyo. He resides in Tokyo, Japan.