Ruben Chang


B.A. – University of California, Santa Barbara (Business Economics)


  • Schwinn Resistance Performance Certified Coach
  • Star Trac Precision Cycling Instructor
  • ACE Certified Trainer
  • YMCA Leadership in Fitness Instructor
  • BOSU Master Trainer


  • Member of Wilson Sports Elite Staff
  • Former Body Building & Power Lifting Competitor
  • Former Continuing Education Presenter
  • Former Power Bar Team Elite Athlete


  • Sport specific training.
  • Aquatic rehabilitation.
  • Racquet sport conditioning.
  • Ruben is actively involved in community fund-raising for various non-profit agencies and organizations. He has travelled extensively and is multi-lingual. In addition, he enjoys music, gardening, investments, culture, and the outdoors.


We all have within ourselves a flow of energy which is the basis of life itself. It is my belief that a regular exercise routine shall improve one’s psychological, emotional, and physical well-being. Therefore, this will maintain a channel of good health and a positive approach to our daily activities.


To find out more about CSSR personal training options or to schedule an appointment with Ruben Chang, call (925) 735-8500 and ask for the Fitness Department.

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