Theresa Sena

"Fitness is not a hobby, it is a way of life."

Associate Trainer
18 years of experience

Serving these San Diego Areas: Theresa SeanCentral, Mission Valley, East, South and West 
Areas of Specialty:

  • Yoga
  • Pilates
  • Boot Camp
  • Crossfit
  • Weight Loss
  • Weight Lifting
  • Working with mature/seasoned adults 

Certifications: 

  • ACE Personal Trainer
  • AFAA Group Fitness Instructor
  • Jillian Michael's Body Shred
  • Pound 
  • Zumba
  • CPR/AED and First Aid

Other Points of Interest:

  • 5 years working alongside a Navy SEAL (Delta Force) as a trainer doing various Boot Camps for young men who were trying out for the Navy SEAL BUDS program.
  • Previously an Amateur Body Builder
  • Loves to run 5ks and go mountain biking, hiking and snowboarding
  • Assists in all animal rescue locally and nationally

Client Comments: 

“...we find her very motivating and inspirational. She always encourages us and is exceptionally thorough on her instructions on the various movements…since taking Theresa’s water aerobic classes, I have noticed increased strength, flexibility and an increase in my energy level. I attribute this to Theresa's exceptional teaching skills. After class, I feel so much better and full of energy.” - Judy Bishop

"From the moment I met Theresa, I knew I was in the capable hands of a well-trained, experienced Personal Trainer.  She helped identify the areas to work on, as well as the areas to avoid for now with my knee and shoulder issues.  Her grace, charm, and friendliness make ‘going to the gym’ a real treat!  I actually like going to the gym on my own now, between trainer sessions.  I highly recommend Theresa as a Personal Trainer.  Thank you Fit-X." -Carol R.

"I have found Theresa Sena to be an outstanding personal trainer and fitness instructor. I have worked with Theresa for the past year and have consistently found her to be able to tailor her training, instruction, and guidance to my physical needs, changing endurance levels, and abilities. In addition, she provides sound nutritional guidance and support and is a wonderful motivator. She also is fun to be around and has a wonderful sense of humor. I highly and unreservedly recommend her to you!" - Barbara P. 

Other Positions in Our Company:

  • Group Fitness Instructor

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  • commented 2016-03-30 00:40:27 -0700
    I’ve been taking Pilatties class with Theresa for 5 years. She is an amazing fitness instructor. We do mat and bar exercises. Her instructions and demonstrations are easy to follow. I have knee and low back problems and she always ask me how I feel and giving me some moderations. She also provides Nutritional support. I recommend her to all my friends! Radka Pencheff