Master Sean Jung
As a Kukkiwon-certified 6th degree black belt, Master Jung has more than 25 years of taekwondo experience. He has served on the COSTA board since 2018 in multiple capacities, including as Secretary and Coach Representative. In addition to his work as a taekwondo instructor, Master Jung coaches local poomsae and sparring athletes as well as the University of Denver taekwondo team. He has represented the US as a national team member, earning a silver medal at the 2018 Senior Pan Am Championships; he recently earned a spot for the 2024 World Taekwondo Poomsae Championships. He is also a 2021-2022 and 2022-2023 AAU National Team Member. Master Jung is a graduate of the University of Colorado Denver.