MEET OUR INSTRUCTORS

Our Instructors Forth Worth | Evolucao Thai MMA Keller

Andy Tiet

Head Muay Thai & MMA Instructor

13+ Years Of Martial Arts Experience, Brazilian Jiu Jitsu Brown Belt Under Rafael Lovato Jr.

Starting his training journey at 16, Coach Andy first delved into boxing before expanding his martial arts repertoire under the guidance of Mauricio Amado, the esteemed founder of Evolucao Thai in Brazil and Canada.

Spending several years competing on the amateur circuit in a variety of disciplines, including Muay Thai, Boxing, Jiu-Jitsu, MMA, and Kickboxing, Andy then transitioned into the professional arena, showcasing his talents in both Muay Thai and MMA.

Holding a Brazilian Jiu Jitsu brown belt from Rafael Lovato Jr. and a Muay Thai black belt from Mauricio Amado, Andy’s dedication to the martial arts is evident. His true passion lies in teaching, dedicating his time to both mastering and sharing martial arts knowledge and techniques to his students and training partners.

Coach Andy is responsible for overseeing all of the striking programs at our school.

Earned a Brazilian Jiu-Jitsu Brown Belt under Rafael Lovato Jr.
Competed professionally in Muay Thai in Thailand
Fought in professional MMA bouts in Brazil

Programs: Kids & Teens Muay Thai, Adult Muay Thai, MMA.

Chase Main

Head Brazilian Jiu Jitsu Instructor

Brazilian Jiu Jitsu Black Belt Under Sam Snow.

Chase Main is a Brazilian Jiu Jitsu black belt under Professor Sam Snow and leads the Teens and Adults Grappling Programs at our school. Known for his passion and dedication, Chase creates an engaging, challenging, and supportive training environment where students of all levels can grow.

A firm believer in being well-rounded, Chase blends techniques from multiple grappling arts—BJJ in the Gi, No Gi, Judo, and Wrestling—into his teaching. His style is a balanced mix of timeless, fundamentals-based jiu jitsu and innovative, modern approaches such as advanced leg attacks. Whether you’re just starting your journey or a seasoned competitor, Chase offers a wealth of knowledge to help you elevate your game both on and off the mats.

Programs: Teens & Adults Brazilian Jiu Jitsu.

Garrett Scott

Brazilian Jiu Jitsu Instructor

First Deaf American Brazilian Jiu Jitsu Black Belt.

Garrett Scott is the first American deaf man to earn a Brazilian Jiu Jitsu black belt. He also fought professionally in MMA, holding a 2–0 record with Bellator MMA.

With over 50 medals and championship titles, including four World Deaf Jiu Jitsu Championships and two NAGA belts, Garrett has proven himself on every stage. Most recently, he qualified as the USA Judo representative in the 81kg division for the upcoming 2025 Deaflympics in Tokyo, Japan.

Born profoundly deaf after contracting meningitis as a toddler, Garrett never allowed hearing loss to limit his potential. He competed in multiple sports growing up and eventually found his true calling in Brazilian Jiu Jitsu, where his perseverance and ability to outthink opponents became his greatest strengths.

At Evolução Thai, Garrett leads our ASL Brazilian Jiu Jitsu Program, providing a space where deaf and hard-of-hearing students can learn, grow, and thrive on the mats. His teaching style reflects his journey—focused, disciplined, and empowering—helping every student develop not just as martial artists, but as people.

When he’s not training or coaching, Garrett enjoys spending time with his family in the DFW area, where he grew up. His story continues to inspire our community, reminding us that true champions are defined not by obstacles, but by how they overcome them.

Programs: ASL BJJ Program & Adults Brazilian Jiu Jitsu.

Andi Plummer

Brazilian Jiu Jitsu, Muay Thai, & MMA Youth Instructor

Coach Andi Plummer’s martial arts journey began at just four years old, when she enrolled in the very same Preschool Program she now leads. Growing up on the mats, Andi has dedicated her entire childhood to training in martial arts, developing both skill and passion that naturally transitioned into coaching.

For the past two years, she has been teaching at Evolução Thai, where she leads the Preschool Program and assists with the Kids Program across Brazilian Jiu Jitsu, Muay Thai, and MMA. Known for her warm and engaging teaching style, Andi has a unique ability to connect with her young students, helping them not only learn martial arts but also grow in confidence and discipline.

Under her guidance, many of her students have found success in tournament settings, a testament to her ability to instill both technical knowledge and a love for the art. Coach Andi is a shining example of how starting young can create a lifelong passion—and she brings that energy to every class she teaches.

Programs: Preschool & Kids Instructor.

Ashton Sears

Muay Thai & MMA Youth Instructor

Coach Ashton Sears is a rising talent at Evolução Thai, having begun his martial arts journey under Coach Andy. In a short time, Ashton has already stepped into competition across multiple disciplines—Muay Thai, MMA, Boxing, and Brazilian Jiu Jitsu—showcasing his versatility as a true, well-rounded martial artist.

Dedicated and disciplined, Ashton brings the same energy he puts into his own training to the next generation of students. He helps lead our Kids & Teens Muay Thai and MMA classes, where his positive attitude and growing experience make him a strong role model on and off the mats.

With his drive, focus, and competitive spirit, Ashton is on an exciting path toward a professional career in martial arts, and we’re proud to have him as part of our coaching team.

Programs: Kids & Teens Muay Thai & MMA Instructor.

Kate Botts

Brazilian Jiu Jitsu Youth Assistant Instructor

Coach Kate Botts is an Assistant Instructor for our Kids Brazilian Jiu Jitsu Program and one of the most dedicated students at Evolução Thai. She began her martial arts journey here at our school and has since earned her blue belt in Brazilian Jiu Jitsu.

Kate’s passion for training is unmatched—she can often be found on the mats twice a day, nearly every day. Her commitment to competing and improving her own skills translates directly into the way she supports and inspires our younger students. With her hard work, consistency, and love for the art, Kate is an excellent role model and an important part of our team.

Programs: Kids & Teens Brazilian Jiu Jitsu Instructor.