-Sahyun-nim Jesus M. Alicea, 8th dan- CHTA-ITF #USA-PRD0436-8, IATF-8-1, Yeonmaeng Hoejang, Master Instructor Classification A # PR-141201 UITF, IATF-A-1, President/founder of the IATF 

-Sahyun-nim Mario Crespo, 7th dan- IATF-PR-7-1, Instructor Classification A IATF-A-2

-Sahyun-nim Richard Santiago, 7th dan- IATF-PR-7-2, Instructor Classification A IATF-A-7

-Sahyun-nim Todo Segalla, 7th dan- TITF, certified by GM Dafyd Haase (2017) (IATF-USA-7-1 rank recognition, no certificate), Instructor Classification A IATF-A-4

-Sahyun-nim Mustafa Maldani, 7th dan, certified by GM G Ong (2023, ITC-7-26 of the International Taekwon-Do Confederation) (IATF-MA-7-1 rank recognition, no certificate), Instructor Classification A IATF-A-6

-Sahyun-nim Anthony Pousset, 7th dan, certified by GM Dafyd Haase (IATF-FR-7-1 rank recognition, no certificate), Intructor Classification A IATF-A-8

-Sabum-nim Gilberto Acevedo, 6th dan- IATF-USA-6-1, Instructor Classification A IATF-A-3

-Sabum-nim Matthew Alicea, 4th dan- IATF-PR-4-1, Instructor Classification A IATF-A-5

-Boo Sabum-nim David Vega, 3rd dan- IATF-PR-3-2, Instructor Classification B IATF-B-2

-Boo Sabum-nim Ralphis Montalvo, 3rd dan- IATF-3-3

-Boo Sabum-nim Adrian Sepulveda, 3rd dan, Olympic Tae-Kwon-Do, certified by Master Aristides Montalvo (IATF-3-4 rank recognition), Instructor Classification B IATF-B-3

-Boo Sabum-nim Lorrain Alicea, 2nd dan- IATF-2-2

-Boo Sabum-nim Kevin Montalvo, 2nd dan- IATF-PR-2-3

-Boo Sabum-nim Saul Gonzalez, 1st dan- IATF-PR-1-3

-Boo Sabum-nim Isaak Alicea, 1st Dan- IATF-PR-1-4