Get fit with a REACTT One Month Unlimited Class Pass! Sergio Ruiz, owner of Body Matrix & Co-Founder of REACTT, has been a leading expert in the sports & fitness industry for the past 10 years, specializing in kettlebell lifting, powerlifting, boot camps & combat sports conditioning with an emphasis on corrective exercise & performance enhancement. He is a 6 time nationally certified Kettlebell Instructor, USAW - Sports Coach,  AFAA - Group Instructor, Crossfit - Level 1 Instructor & holds Personal Training certifications with NASM - CPT/CES/PES, ACE & NCSF.  "I am extremely passionate about helping individuals achieve their fitness goals safely and efficiently; and believe that with an intense, yet flexible approach, I can help you achieve optimal results for your time and effort invested." 

Body Matrix is San Francisco's premier fitness training studio. Their goal is to help individuals of all ages, skill levels and fitness backgrounds achieve their fitness goals through Personal Training, Boot Camps & Group Fitness Classes. They are recognized for exemplary customer service, outstanding client retention, and on the forefront of using the most effective training modalities to date.