Grand Master Jun Yoon | Sky Martial Arts
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Grand Master Jun Yoon

Master Yoon

Jun Cheol Yoon was born in Seoul, Korea. He began his study of Tae Kwon do at the age of nine. After hard concentration and study, he was awarded his 1st Dan Black Belt at the age of 11 and gained two national championship titles.

In 1976, Master Yoon attended Sung Dong High School during which he attained his World Championship and Asian Games titles.

Following a successful high school career, Grand Master Yoon continued in the competition circuit in addition to attending Korean National Sport University. While taking his masters degree, Grand Master Yoon taught physical education and Tae Kwon Do at In Cheon High School.

In1983, Grand Master Yoon began his international travel as a Korean National Demonstration Team Member and World Class Coach. After his many professional visits to the United States, Grand Master Yoon decided to relocate to California, East Bay area in 1992.


  • PhD Degree – Sports Management
  • M.S. Degree – Physical Education
  • Bachelor Degree – Korean National Sport University


  • 8th Dan Black Belt (#06000104)
  • 5th Dan Kum Do Black Belt
  • 4th Dan Hap Ki Do Black Belt
  • Certified Tae Kwon Do Instructor (#4567 World Tae Kwon Do Federation)
  • International Referee (#038-0045 Sparing )
  • International Referee(#011-0045 Poomsae)
  • International Instructor (#1621003 The first class by Kukkiwon)


  • World Games Gold Medalist
  • 23 Years Undefeated Korean National Champion
  • Voted Best Taekwondo Competitor in Korea
  • Korean National Demonstration Team
  • Seoul Olympics Demonstration Team Member

Most Recently, past the age of 50, grandmaster has shown to us that age is never a factor by winning both gold in forms and sparring during the:

  • 2011 U.S National Taekwondo Championship Gold Medalist (Poomsae & Sparring )
  • 2012 U.S Open Gold Medalist (Poomsae & sparring)
  • World University Games International Referee (2011 Shenzhen China)
  • 20th World Taekwondo Championships International Referee (2011 Kyungju Korea)
  • California Taekwondo Association Vice President
  • Las Positas College Physical Education Instructor
  • U.S National Collegiate Taekwondo Association Referee Chairman
  • UC Berkeley Physical Education Instructor
  • USA National Team Head Coach (2006)
  • USA National Team Head Coach (2002)
  • World All Star Team  Head Coach (1997)
  • Korean National Team World Cup Coach (1990)
  • 2012 World University Game Referee in Korea
  • 2013 World Poomsae Taekwondo Championship Referee in Indonesia
  • 2014 World University Games Referee in Hohhot China
  • 2014 CUTA President