Gravity Plus Systems boasts a staff of highly competent and friendly professionals. Check us out:

James (Jim) Foster

CEO & Founder of Gravity + Products


  • As a former professional baseball player and boxer, Jim has over 35 years in fitness and training
  • Jim has trained with some of the best professional athletes the world has ever known, including Muhammad Ali, Ken Norton, and Fred Dryer
  • He is the creator of S.M.A.R.T. (Special Muscle Adaption Recruitment Training), a training principle that he has used for over ten years to create custom training programs for athletes, ranging from middle school athletes to professional athletes
  • Founded Hypergravity Science Systems (HSS) certification. Using information from over 20 years of task specific studies, Jim developed a certification course for trainers, coaches and athletes that translates the findings of modern science to the athletic world
  • Jim is the designer and originator of the Gravity Plus Suit

Steve Sakakini

Consulting Engineer


Steve has a B.S. in Astronautical and Aeronautical Engineering from Purdue University. With over 30 years in building simulation applications for design, analysis, and training with special emphasis on the development of graphics-oriented tools for engineering analysis.

  • General Dynamics Senior Staff Engineer
  • MBDA Incorporated Senior Staff Engineer
  • Northrop Corporation Manager of Mission Analysis Software Department, Manager of Operations Analysis, Senior Technical Specialist
  • McDonnell Douglas Engineer Scientist, Graphics Software Programming & Mission Analysis
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