transformational wellness

experiences in Hawaii

and california



One Fitness offers customized wellness experiences for corporate groups, families, and individuals in the san francisco bay area and on the island of Maui, hawaii.


Disconnect from the office.

Connect with nature and paradise.

Re-connect with yourself.

Build lifelong memories with others.

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Aloha! We are passionate about helping humans transform their mind, body, and spirit. We use a unique combination of personal development work, fitness, nature, positive psychology, team building, leadership, and life experience to create wellness environments that will change your life.

Whether it’s an hour long fitness class or a multi-day team building retreat, we invite you to experience the sights, smells, sounds, adventures, and culture of aloha in a special way that will change you and help you grow.

Reconnect with yourself, build strong bonds with your team, and bring a culture of wellness to your workplace, personal relationships, and daily life.

We can’t wait to have you join us on this wellness adventure.

Photography By:          Miles Clark (@milesclarkphoto)             Marissa Phillips-Wallace (@missybeachbum)                      Raja Iliya (@rajailiya)


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“Relax your mind, transform your body, and rediscover your spirit through connection and nature.”
— One Fitness
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One Fitness team

We have a passion for helping humans achieve wellness of mind, body, and spirit in California and the Hawaiian Islands.

Benjamin Auerbach

CEO and Founder

One Fitness, LLC

B.A. Claremont McKenna College, Economics and Philosophy, cum laude

Former professional track & field athlete, gold medalist for Team USA

Left corporate banking job to pursue his passion for fitness

Facilitator for Inside Circle and the ManKind Project

Loves running, human connection, positive psychology, fitness, nature, sunshine, travel, sushi, and creating environments where people are authentic, push themselves to their edge, connect internally, and transform together by keeping it real, being open and honest, and having fun.

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Alex Auerbach

Director of Vibe

Ben's Twin Brother

NCAA All-American, track & field, Claremont McKenna College

Loves running, building teams, having fun, fitness, sunshine, rap music, getting people excited about themselves, their surroundings, and the people around them.

Marissa Phillips-Wallace


Lululemon Hawaii Storyteller

Loves aesthetics, the beach, aloha, California, Hawaii, family, travel, documenting and sharing visually and emotionally epic experiences.

Norry Kaler, M.D. 

Medical Director

Owl Pod

Loves holistic health, spirituality, vulnerability, mental health, weight loss, helping others, his two daughters, nature, heart centered, effective, and simple medicine.

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Dain Azman, D.C.

Wellness Director - Chiropractic and Recovery

Azman Chiropractic

Loves surfing, ohana, fishing, building stuff, personal development work, his two children, helping others discover alignment and how to find their healthiest body.


Cory Sterling, J.D.

Legal Counsel

Conscious Counsel

Loves travel, vibes, humans, yoga, fitness, learning about new places, people, and cultures, making law simple and fun.

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“The most transformative wellness experience on the planet”
— One Fitness
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Our Partners


“Best fitness experience I’ve ever had! Ben took the Coinbase team on two of the coolest hikes we’ve ever been on.”
— Brian Armstrong, CEO, Coinbase
“Caanan Partners had an amazing off-site wellness retreat with One Fitness. If you want to get off the beaten path, explore nature, and connect with yourself and your organization, this is the best possible way to do it.”
— Maha Moss, General Partner, Caanan Partners
“Ben and his team at One Fitness take great care of us and our professional, Olympic athletes.”
— Danny Mackey, Head Coach, Brooks Beasts Track Club
“5-star wellness week on Maui!”
— Steve Tisch, Owner, New York Giants

As Seen On...

“It’s a great workout for your next visit to Hawaii. The bad news is that after a morning of sunrise yoga overlooking turquoise bays, or jungle runs to hidden pools, and sprints in golden sand—the gym, spin class, or treadmill won’t ever look the same.”
— Kyle Ellison, Travel + Leisure
“The thing that Ben appreciates the most about the Hawaiian Islands is his ability to connect with nature through exercise, locally grown food, beautiful scenery, and the clarity of mind that comes from a more holistic and sustainable way of life. The Hawaiian Islands have helped Ben find his true north. He hopes that he can help you along the journey to find yours.”
— Wanderlust Festival
“Creating a plan for yourself is big. It’s easy to get caught up in eating unhealthy foods and getting off of your workout regimen, especially when you’re on vacation, so come in with a plan. Set up time with a trainer, schedule gym time, play golf, hike, practice yoga, swim —plan to do something active each day.’”
— Montage Magazine

Contact Us

We would love to hear from you! Please feel free to send us a message regarding your interest in One Fitness. 

You can also follow us on social media (links below) to keep up with the fun adventures we are having here in Hawaii!

Name *


One Fitness HQ

81 South Iwa Place
Lahaina, HI, 96761
United States