At Tracy Kick Club, trainers are more than instructors, they’re your fitness allies. Every class is designed to be adrenaline-packed, spirit-lifting, and transformative. Here, you’re not just working out, you’re unlocking your potential in body, mind, and spirit.
Shirley is the owner and lead trainer of Tracy Kick Club. Born in Myanmar and raised in the San Francisco Bay Area, her journey into fitness began after moving to the United States as a teenager.
After relocating to Tracy with her family, Shirley saw the opportunity to bring something different to the community, a space focused not only on results, but also on connection and support.
Today, she is dedicated to helping every member feel stronger, more confident, and capable, inside and outside the gym.
Coach Gesias has been training since the age of two, learning the art of combat sports from his father, who worked with legends like Floyd Mayweather and the Gracie family. He spent four years living in Thailand with his family, where he immersed himself in the culture and mastered the art of authentic Muay Thai.
Now he brings all that world-class experience to every class, making kickboxing fun, welcoming, and packed with good energy. Whether you’re just learning your first combo or perfecting your technique, Coach Gesias will keep you pumped, smiling, and moving the whole time!
Coach Aiden was born and raised in the Central Valley. He has a strong background in kickboxing and jiu-jitsu, bringing both skill and discipline to his coaching style.
He is passionate about working with both adults and kids, helping them build confidence, improve their strength, and stay motivated throughout their fitness journey. Coach Aiden believes that everyone, regardless of their background, deserves the opportunity to grow, challenge themselves, and reach their full potential.
Outside of training, he enjoys spending time with his family, friends, and pets, as well as playing one of his favorite sports, basketball.
Tracy Kick Club is more than a gym. It’s a place to build strength, confidence, and meaningful connections.
Owner & Lead Trainer
Shirley is the proud owner and lead trainer of Tracy Kick Club. Born in Myanmar, she moved to the United States with her family as a teenager and grew up in the San Francisco Bay Area. After attending university in Las Vegas, Shirley spent seven years in Miami, where her fitness journey truly began.
In 2018, she discovered fitness kickboxing and what started as a workout quickly became a life-changing passion. She went on to own a thriving kickboxing studio in Hollywood, FL, where she inspired countless people to discover their own strength, confidence, and love for movement.
After welcoming two wonderful children, Shirley stepped back from studio ownership but never from the workouts that fueled her. When her family relocated to Tracy, she saw a need for a cardio kickboxing space that focused not just on fitness, but also on community.
Today, Shirley is excited to bring her energy, passion, and dedication to her new hometown. Guided by the motto “Be strong, be confident, be fit,” Shirley and her team are here to support every member’s journey.

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