THE COACHES IN YOUR CORNER

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  • ​From the Cage to the Corner: The Adam Nijem Story

    Adam Nijem’s life has always been defined by the grit of a professional athlete. After a multi-sport upbringing, he followed his brother, UFC contender Ramsey Nijem, into professional MMA at age 18. Training at the legendary "Pit" and alongside San Francisco’s elite "Scrap Pack," Adam built a 6-2-0 record and was preparing for a major Bellator MMA debut when his path took a sharp turn.

    A series of severe traumatic brain injuries (TBIs) forced Adam into a grueling six-month recovery in total darkness. While the injury ended his fighting career, it sparked a new vision. Adam realized he could translate the mental toughness and elite techniques of the cage into a program for everyone.

    In 2017, he founded Star Method Boxing in Walnut Creek. What started as a garage-gym side project evolved into a premier 2,500-square-foot boutique studio. Adam’s unique "Star Method" bridges the gap between authentic boxing and high-level athletic conditioning, offering a high-energy space where clients build both physical strength and the mental resilience of a fighter.

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  • ​Born in the Philippines and raised in San Francisco with 8 years of boxing experience. Rachelle has been coaching since 2021 and has played a variety of sports and activities growing up such as volleyball and dance. During her sessions, you will learn to improve coordination and fundamentals of boxing. Develop your speed and power through boxing drills and conditioning when you train with Coach Rachelle.

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  • Michael DeLuna has dedicated the last nine years to the mastery of martial arts, specializing in Muay Thai and Jiu-Jitsu. With a strong foundation and four amateur smoker fights under his belt, Michael is gearing up for his highly anticipated MMA debut in 2025. Clients training with Michael can expect to be both physically and mentally challenged, with a focus on precise technique and practical drills to elevate their skills and performance.

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  • Coming soon!

Man leaning on boxing ring ropes wearing a Star Method Boxing t-shirt.

  • Coming soon!

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  • Moussie Stebben is a personal trainer from Toronto, Canada. She specializes in Boxing and Strength training. Originally an amateur boxer, Moussie found her love of personal training at the age of 18 when she started training women in her community to support her amateur fighting career. Moussie is focused on empowering clients to become their best, strongest self. When working with Moussie, you can expect a challenging strength workout, with a focus on good technique, breath work, and leave feeling confident and accomplished.

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  • Coach Demitri has been in the fight game for four years two as an amateur (2-1-1) and two as a pro (1-1, with a knockout that still echoes). He started wrestling and Muay Thai at age 11, and never looked back. Known for his razor-sharp attention to detail, Demitri believes the small things make the big difference—whether it’s footwork, mindset, or how you show up. His goal? To take his own fight career as far as it can go, and one day coach the next generation of dream-chasers. Outside the gym, you’ll catch him teaching kids, sinking shots at the pool table, or breaking down the latest game.