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Meet Our Trainers. . .

Sheila Blake
Personal Fitness Specialist

I became involved in fitness about 6 years ago. I was a stay at home Mom and had put on some unwanted pounds. I knew I was ready for a change. I began eating healthy and exercising on a regular basis and dropped 27 pounds. I realized at that moment that I wanted to help others achieve their fitness goals as well. I attended the Cooper Institute in Dallas and became a Certified Personal Trainer. I get so much satisfaction when a client shares their success with me because I understand how hard it is and how much it helps having someone to cheer you on. I am so fortunate to get to meet so many great people doing a job I love.

Ed Marks
Personal Fitness Specialist

I have always had a passion for fitness and health; I have trained myself personally since high school where I excelled in a plethora of sports such as: football, baseball, track, basketball, and soccer. The habits I developed through school encouraged me to learn much more about the human body, and how to manipulate the physiques of others to accomplish their goals. I began personal training in California all throughout the 80's. I worked in sales and management for the better part of 20 years and learned a lot about running a business.  The success of helping people in the fitness industry as well as my drive and passion to better people’s lives caused a new career path where I discovered TRIFIT. I studied under Dr. Kenneth Cooper of the Cooper Institute to further update my knowledge of the human body. I have been training in the San Antonio area since 2006 and look forward to many more years!


individuals in all aspects of health and fitness.


Motivating individuals to a lifetime of fitness.


individuals in the reality of good health and fitness.

swirls TRIFIT Personal Training (Located inside SA Fitness) swirls
20330 Huebner Rd Suite 102~ San Antonio, TX   78258

Phone - 210-482-2678 ~ Email