Mr. Sterling has over 30 years experience in sales, marketing and customer service within the health and wellness products and services areas, primarily focusing on the physician office, clinic, and hospital. Until recently he held upper management positions in a variety of medical equipment manufacturing environments including ambulatory EKG and Blood Pressure Monitoring, Ultrasound, and Vascular Analysis equipment. He has also worked with several software manufacturers whose products include Practice Management, Patient Billing, and Electronic Medical Records.

Mr. Sterling has been a private student of Guro Martinez in the Filipino Martial Arts since 1991 and is a certified instructor under Guro Martinez. Mr. Sterling has also studied both Judo and Kendo since 1995. In early 2004, Mr. Sterling founded Challenge Your Limits Fitness and created an initial low impact cardiovascular conditioning program for the primary purpose of overcoming a significant back injury. He has since expanded the program with the assistance of Guro Martinez and currently provides both group and personal training in El Paso and san Antonio, Texas. He is certified in CPR, has completed the AFAA Senior Fitness Study Program and is also a certified Personal Fitness Trainer through AFAA.


Certificates will open in a new window.

group exercise instructor certificate  Group Exercise Instructor
personal fitness trainer certificate  Personal Fitness Trainer
senior fitness home study certificate  Senior Fitness Home Study
Stress Management Home Study Certificate  Stress Management Home Study
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