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Karate Belt

Our Instructors

We’re proud to introduce the instructors who make Jung Ko Taekwondo a special place to train and grow. Our team is passionate about teaching, leading by example, and helping each student reach their full potential, both on and off the mat.

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Grandmaster Jung Ko

9th Dan Kukkiwon Black Belt

  • 45 years of experience Taekwondo Teaching

  • President of Korean Canadian Taekwondo Association Under the Korean Sports & Olympic Committee

  • Queen Elizabeth II Golden Jubilee Medal Recipient, 2002

  • Honourary Ambassador for the Korean Tourism Organization, 2018

  • Gold Medalist of Canadian National Poomsae Championship, 2022

  • Silver Medalist of Pan American Poomsae Championship, 2022

  • Queen Elizabeth II Platinum Jubilee Medal Recipient, 2022

  • Gold Medalist of Canadian National Poomsae Championship, 2023

  • Gold Medalist of Korean Ambassadors Cup, 2024

  • Gold Medalist of Canadian National Poomsae Championship, 2024

  • Gold Medalist of Canadian National Poomsae Championship, 2025

  • Gold Medalist of Canadian National Poomsae Championship, 2026

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Head Master

Master Yukyung Jung

6th Dan Kukkiwon Black Belt

  • Jung Ko Competition Team Head Coach

  • 25 years of experience Taekwondo Teaching​

  • Bachelor of Taekwondo, Sangmyung University, South Korea​

  • Gold Medalist of National Middle & High School Taekwondo Federation Championship, South Korea 1988-1989

  • Gold Medalist of University Taekwondo Federation Championship, South Korea 1991 - 1992

  • Gold Medalist of Minister of National Defense Cup, South Korea 1992, 1993

  • Gold Medalist of Canadian National Senior Sparring Championship 1996, 1997

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Master Instructor

Master Jacob Lee

4th Dan Kukkiwon Black Belt

  • Jung Ko Taekwondo Demo Team Leader

  • 8 years of experience Taekwondo Teaching

  • Third-year student in Kinesiology and Physical Education at the University of Toronto

  • Completed NCCP Safe Sport and Coaching Certification Modules

  • Certified in CATT for Athletes and Medical Professionals

  • Certified in Standard First Aid with CPR-C 

  • Received Certificate of Appreciation from KCCA (2019 Cultural Camp for Children)

  • Achieved numerous gold medals in Poomsae and Sparring division, Taekwondo tournaments in Ontario

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Master Instructor

Master Dominic Dejesus

4th Dan Kukkiwon Black Belt

  • Jung Ko Taekwondo Black Belt Boxing class Head Coach

  • Jung Ko Taekwondo Summer Camp Coodinator

  • 8 Years of experience Taekwondo Teaching

  • Graduated Toronto Film School

  • Jung Ko Taekwondo Demo Team Member

  • Certified in Level 1-5 in Balintawak

  • Achieved numerous Gold medals in Poomsae division, Taekwondo Tournaments in Ontario

  • Achieved numerous Gold medals in Sparring Division, Taekwondo  Tournament in Ontario

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Instructor

Margo Jr. Castillo

3rd Dan Kukkiwon Black Belt

  • Jung Ko Taekwondo Black Belt Nunchuck Instructor

  • 5 Years of experience Taekwondo Teaching

  • Second-year student in Kinesiology & Health Science (BSc) at York University

  • Jung Ko Taekwondo Demo Team Member

  • Over 16 years of Taekwondo training experience

  • Achieved numerous Gold medals in Poomsae division, Taekwondo Tournaments in Ontario

  • Achieved numerous Gold medals in Sparring Division, Taekwondo  Tournament in Ontario

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Instuctor

Jonnel Dejesus

3rd Dan Kukkiwon Black Belt

  • Jung Ko Taekwondo Black Belt Nunchuck Instructor

  • Jung Ko Taekwondo Summer Camp Assistant Coodinator

  • 5 Years of experience Taekwondo Teaching

  • First-year student in Early Childhood Education at Seneca College

  • Holds a Provincial 3rd Class (P3) Referee Certificate, recognized by Taekwondo Ontario

  • Jung Ko Taekwondo Demo Team Member

  • Certified in Level 1-5 in Balintawak

  • Achieved numerous Gold medals in Poomsae and Sparring division, Taekwondo Tournaments in Ontario

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Instructor

Taylor So

2nd Dan Kukkiwon Black Belt

  • 2 Years of experience Taekwondo Teaching

  • Third-year student in Visual Arts – BFA Honours at York University

  • Former Demo Team Member at Jung Ko Taekwondo

  • Camp counsellor with the City of Toronto

  • Over 8 years of Taekwondo training experience

  • Achieved numerous Gold medals in Poomsae division, Taekwondo Tournaments in Ontario

  • Achieved numerous Gold medals in Sparring Division, Taekwondo  Tournament in Ontario

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Instuctor

Arnoosh Tafazoli

2nd Dan Kukkiwon Black Belt

  • Over 15 Years of Taekwondo training experience

  • Third-year student in Human Recources management at Seneca College.

  • Holds a Provincial 2nd Class (P2) Referee Certificate, recognized by Taekwondo Ontario​

  • Certified in Standard First Aid with CPR-C 

  • Achieved numerous Gold medals in Poomsae division, Taekwondo Tournaments in Iran

  • Achieved numerous Gold medals in Sparring Division, Taekwondo  Tournament in Iran

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Instuctor

Vladimir Efest 

2nd Dan Kukkiwon Black Belt

  • Over 8 Years of Taekwondo training experience

  • Graduated in Aviation Safety at Seneca College.

  • Holds a Provincial 3rd Class (P3) Referee Certificate, recognized by Taekwondo Ontario​

  • Achieved numerous Silver medals in Poomsae division, Taekwondo Tournaments in Ontario

  • Achieved numerous Bronze medals in Sparring Division, Taekwondo Tournament in Ontario

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Kendo Head Master

Jin Whan Lee

7th Dan, Kyoshi

  • Kyoshi and affiliated to Canadian Kendo Federation Instructor and Judge

  • 30 years of experience Kendo Teaching​

  • Gold Medalist of Individual Event at the Seoul Cup Open Kendo Tournament 

  • Gold Medalist of Individual Event at the Quebec Kendo Tournament

  • Gold Medalist of Individual Event at the Japanese Canadian Cultural Center Kendo Tournament 2016

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Kendo Master

Bora Choi

6th Dan, Renshi

  • Canadian Kendo Federation Instructor and Judge

  • 15 years of experience Taekwondo Teaching​

  • Former member of Team Canada Women's Kendo Team

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