Sensei Jackson
Head Instructor
Sensei Scottie C. Jackson is a 4th Degree Black Belt in Ju Ki Do who has trained directly under Kyoshi Ivan Ujueta since 2001. A U.S. Air Force veteran and successful entrepreneur, he brings real-world experience to his teaching.
He specializes in working with children and helped revamp and restructure the curriculum, including writing the new SWAT program. He lives by the ‘Gentle Powerful Way’ and helps others do the same.
- 4th Degree Ju Ki Do Black Belt
- 1st Degree Judo Black Belt
- Bachelor’s Degree in Computer Science from American Intercontinental University
- NASM Certified Personal Trainer
- AFAA Certified Group Fitness Instructor
- NASM Certified MMA Conditioning Specialist
- NASM Certified Performance Enhancement Specialist
- U.S. Air Force Veteran
- Youth Specialist
Jorge Garcia Jr.
Assistant Coach
Jorge R. Garcia Jr. brings a passionate, athlete-first mindset to the Modern Samurai Academy coaching team. With over four years of experience coaching youth sports, Jorge focuses on building athletes from the ground up—emphasizing fundamentals, skill development, and personal growth both on and off the mats.
Purple Belt in JuKiDo
Bilingual: Spanish – English
Experience with youth development, multi-sport youth coaching, skill fundamentals, and character building
Over 4 years of youth coaching experience
Over 10 years in entrepreneurship and leadership training
Over 25 years in the music industry and 5 years in sound engineering
Experience with digital media production, live broadcasting, and audience engagement
3 years of college education at Texas A&M University
Ashley Sepulveda
Assistant Instructor
Ashley J. Sepulveda began her martial arts journey in 2011 in Toledo, Ohio where she received teachings in Shotokan/American Karate, ChukidoKwan, and Taekwondo. She earned her first degree Black Belt in 2015 and afterwards spent time leading special education youth classes, adult classes, and competing both nationally and internationally. Her training under PKIMMA began in 2024 and she has since quickly climbed the ranks, recently earning her red belt.
Experience & Credentials
First-degree black belt in Shotokan/American Karate
10+ years of martial arts experience
Assistant instructor for the special Ninjas Therapeutic Martial Arts program
Three-time World Karate Commission Champion
Published children’s author: The Wacky World of Autism, Pre-Nursing Background, Associate of Science by the Alamo College District
Current student with UTHSCSA
- Get In Touch
Want to meet the team in person?
Schedule a visit to our San Antonio campus.