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1155 Main Street Suite 114 Jupiter, FL 33458 | 561.292.0585

About Us

 Mandi Sewell

Human Resources Manager

NASM Certified Personal Trainer

TRX Certified Instructor

A caring guide, Mandi fosters a will most clients do not expect from themselves.  Mandi makes a point to put the client first, counseling the individual on all aspects of fitness, all while establishing a relationship that pilots individuals through workouts seamlessly. 


Brianna Davenport

ACE Certified Personal Trainer 

Titleist TPI Certified

NASM Golf Fitness Specialist

ACE Certified Sports Conditioning Specialist

Brianna combines her love of people with her passion for sports, and has turned it into a fun and rewarding career. As a former Division I college athlete, she specializes in Sports Conditioning, and loves creating a sense of teamwork and community here at E3 Strength. You can rely on this special young lady to provide you with fantastic communication to improve you and your health, in and outside of the gym. She can always be found with a smile on her face, and truly loves working with each and every one of her clients!


Brandon Smith

NASM Certified Personal Trainer

NASM Corrective Exercise Specialist

Brandon is a fully invested coach, who is always prepared and consistently over delivers value to each client in every workout.  His knowledge and application of all aspects of fitness really allow for a diverse experience that never gets old and always delivers results.  Brandon specializes in one on one and group fitness, but always caters to the individual.

Earl Ehret

ACSM Certified Personal Trainer

Former marine biologist, Earl, who enjoys lifting weights, he turned a hobby into a way to help others and make a good living.  Earl does not have a degree in business, so most of what you see here including the illusion of confidence and intelligence is a direct correlation to his beautiful and rather tall wife.  His goal is to present integrity to and for all those he serves.

Favorite Team:

New Orleans Saints

Dream Car:


  (enough said)

Interesting Fact:

Though relatively talented in in the gym, Earl is a 36 handicap on the links.  He hopes to improve that and his dead lift.

JoAnna Ehret

Part time Graphic Designer and Multimedia Expert


Golf Pro by day; personal assistant, cheerleader, and marketing genius by night.  Instead of utilizing her multiple degrees for her personal goals, she splits her time between her love for golf and her husband’s outlandish dreams.

Favorite Team:

Green Bay Packers

Dream Car:


Interesting Facts:

Jo, on three separate occasions, auditioned for NBC’s Survivor.

Kona Puppy

Inspirational Engineer


Kona specializes in turning frowns upside down, via face-licks, head tilts, and hind leg walks.  She specializes in fetch and handshakes, but guarantees no return of any thrown toy or apparatus.

Favorite Team:

Miami Dolphins

Dream Car:


Kona is not a fan of car rides

Interesting Facts:

Though she is a hunting breed with webbed feet, Kona hates swimming, but loves baths.  She is also a big fan of belly rubs.

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