About
Martial Arts USA Tae Kwon Do offers Tae Kwon Do classes along with related activities such as Fitness Kickboxing, Strength and Conditioning classes, PDR Self Defense, Rock Steady Boxing Petaluma, and birthday parties. The studio includes Little Dragons, Dragons, Teens, and Adults Tae Kwon Do programs and offers classes from age 4 and up. Martial Arts USA is a fitness studio that offers a wide variety of classes through its Studio Fit fitness studio.
• Ages: 4–18 years old
• Schedule: Class options Monday–Friday in the afternoon and evening, and Saturday mornings
Martial Arts USA was established in 1993. The program has been hosting birthday parties for over 15 years, and these birthday parties are described as fun, educational, and keeping kids active for hours.
Owner and instructor Scott Sinan has over 30 years of experience teaching and training in Tae Kwon Do, is a 5th degree black belt in Tae Kwon Do, and is a Fundamentals Coach for P.D.R. Personal Defense Readiness, a division of Blauer Tactical Systems. Grandmaster Soo Woong Lee is a 9th Degree Grandmaster. Tae Kwon Do Director and Instructor Yulianna Schmidt is a 4th degree black belt, has placed in the top three of her division several times at both the Junior Olympics and Nationals, and made the 2013 AAU National Team. Ella Smith earned her black belt in 2018 at age 13. Jace Merrill earned his black belt in 2018 at age 13 and completed his instructor certification in 2019. Patia Curtis earned her first degree black belt in 2019 at age 12, her second degree in 2021, and has teaching credentials earned in 2019. Amina Callahan earned her black belt when she was 14.
The leadership and teaching team includes: Scott Sinan (Owner/TKD Instructor/Studio Fit Instructor/Rock Steady Coach); Yulianna Schmidt (Tae Kwon Do Director & Instructor/Competition Manager/Studio Fit Instructor & Rock Steady Coach); Alex Campbell (Tae Kwon Do Assistant Manager & Instructor/Competition Coach/Studio Fit Instructor & Rock Steady Coach); Ryan Duffy (Tae Kwon Do Instructor/Competition Coach); Ella Smith (Tae Kwon Do Instructor & Rock Steady Coach); Jace Merrill (Tae Kwon Do Instructor); Patia Curtis (Tae Kwon Do Instructor); Amina Callahan (Tae Kwon Do Assistant/Instructor & Competition Assistant Coach); Andrew Yang (Tae Kwon Do Assistant & Instructor In Training); Griffin McArdle (Tae Kwon Do Assistant & Instructor In Training); and Ryan Sullivan (Tae Kwon Do Instructor).
Martial Arts USA is the exclusive provider in its area of Personal Defense ReadinessTM, a personal protection and life enhancing system. The Rock Steady Boxing Petaluma program is for people with Parkinson’s disease and uses a non-contact boxing based fitness curriculum. The mission stated by Mr. Sinan is “My goal is to continue to provide a place for students regardless of age or ability to grow mentally, physically, and spiritually. I believe in the benefits of training in the martial arts and fitness industry.”
Parent testimonials describe friendly instructors and families, small enough class sizes for individual feedback, and a community that is respectful, supportive, and fun. Families report long-term involvement with the studio, note variety in classes and events, and mention birthday parties and competition classes as part of their children’s experiences.
Last updated May 13, 2026.
• Ages: 4–18 years old
• Schedule: Class options Monday–Friday in the afternoon and evening, and Saturday mornings
Martial Arts USA was established in 1993. The program has been hosting birthday parties for over 15 years, and these birthday parties are described as fun, educational, and keeping kids active for hours.
Owner and instructor Scott Sinan has over 30 years of experience teaching and training in Tae Kwon Do, is a 5th degree black belt in Tae Kwon Do, and is a Fundamentals Coach for P.D.R. Personal Defense Readiness, a division of Blauer Tactical Systems. Grandmaster Soo Woong Lee is a 9th Degree Grandmaster. Tae Kwon Do Director and Instructor Yulianna Schmidt is a 4th degree black belt, has placed in the top three of her division several times at both the Junior Olympics and Nationals, and made the 2013 AAU National Team. Ella Smith earned her black belt in 2018 at age 13. Jace Merrill earned his black belt in 2018 at age 13 and completed his instructor certification in 2019. Patia Curtis earned her first degree black belt in 2019 at age 12, her second degree in 2021, and has teaching credentials earned in 2019. Amina Callahan earned her black belt when she was 14.
The leadership and teaching team includes: Scott Sinan (Owner/TKD Instructor/Studio Fit Instructor/Rock Steady Coach); Yulianna Schmidt (Tae Kwon Do Director & Instructor/Competition Manager/Studio Fit Instructor & Rock Steady Coach); Alex Campbell (Tae Kwon Do Assistant Manager & Instructor/Competition Coach/Studio Fit Instructor & Rock Steady Coach); Ryan Duffy (Tae Kwon Do Instructor/Competition Coach); Ella Smith (Tae Kwon Do Instructor & Rock Steady Coach); Jace Merrill (Tae Kwon Do Instructor); Patia Curtis (Tae Kwon Do Instructor); Amina Callahan (Tae Kwon Do Assistant/Instructor & Competition Assistant Coach); Andrew Yang (Tae Kwon Do Assistant & Instructor In Training); Griffin McArdle (Tae Kwon Do Assistant & Instructor In Training); and Ryan Sullivan (Tae Kwon Do Instructor).
Martial Arts USA is the exclusive provider in its area of Personal Defense ReadinessTM, a personal protection and life enhancing system. The Rock Steady Boxing Petaluma program is for people with Parkinson’s disease and uses a non-contact boxing based fitness curriculum. The mission stated by Mr. Sinan is “My goal is to continue to provide a place for students regardless of age or ability to grow mentally, physically, and spiritually. I believe in the benefits of training in the martial arts and fitness industry.”
Parent testimonials describe friendly instructors and families, small enough class sizes for individual feedback, and a community that is respectful, supportive, and fun. Families report long-term involvement with the studio, note variety in classes and events, and mention birthday parties and competition classes as part of their children’s experiences.
Last updated May 13, 2026.
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