Become Your Greatest Self

Get stronger and feel amazing with workouts created just for you

Tell Me About Yourself

San Diego Personal Trainer

Meet Jessica Thiefels

San Diego Personal Trainer

My goal is to help you achieve your fitness goals and feel amazing, while staying true to your authentic self. Instead of putting your energy into looking like someone else—and being disappointed when you don’t—you’ll focus on becoming the best version of you. Get stronger while learning to love what your body can do.

My Certifications

I have a Personal Trainer certification from the American Council
on Exercise and a Fitness Nutrition Specialist certification through the
National Academy of Sports Medicine.

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Custom Tailored Training Programs

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“Jess really exceeded my expectations. As someone with asthma I have always struggled to find a trainer who really understands my limitations but is still able to push me towards my goals.”

Amanda DiSilvestro

“Jess’ circuits are intense calorie burners, but she knows how to gauge people and how to mix things up. She also knows when to push and when to give credit for a good set.”

Dan Greco

“I love Jess! I have been training with her for the past month and I couldn’t be happier. She changes the workouts each week to keep things interesting and I always leave feeling stronger and healthier!”

Brianne Noonan

Latest Blog Posts

  • self love advocate

How I Turned My Mirror Into a Self Love Advocate

May 21st, 2017|0 Comments

For much of my life, mirrors have been a way to tear myself down. When I walked by a reflective building on the street, I’d check my stomach; “Is it sticking out? Do I look

  • instagram workout danger

Is Instagram is Hurting Your Workouts?

May 4th, 2017|0 Comments

Your eyes flicker open in the morning. You reach over to the bed stand and grab your phone. Within minutes you’re scrolling through Instagram, taking it all in; exercise videos, pictures of friends and family,

  • health myths

The Health Myths You STILL Believe Are True

April 23rd, 2017|0 Comments

Every week there’s a new fitness trend, a new health no-no, and new health myths touted as being true. The point being that with so much speculation, how can you ever know what’s true and

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