Master Joseph Yoon

Master Joseph Yoon is a Kukkiwon-certified 5th degree Black Belt in Taekwondo as well as a 2nd degree Black Belt in Ohun Gumdo. He is one of Sky’s strongest and fiercest competitors, and has continuously trained with top athletes of both the United States and Korea. He is also a World Taekwondo-certified International Referee.


Earning his Masters Degree in Sports Marketing, Master Joseph continues to teach Taekwondo and is looking to establish the next Sky branch.

Students at Sky look up to Master Joseph because of his strength, discipline, humility, and charismatic nature.




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Career & Experience

  • 5th Dan Kukkiwon-certified Black Belt
  • Certified International Instructor
  • USATKD Level 2 Coach
  • USATKD Level 1 Referee
  • Over 20 years of competitive experience
  • Over 20 years of teaching experience
  • Over 10 years of coaching experience
  • Masters Degree, Sports Marketing, Korea National Sport University
  • San Francisco State University, Business Major