Alter exists to change the way people workout.

Alter is not a workout sprint or a bootcamp. It’s a holistic and sustainable way to approach fitness and wellness. We’re the first DNA and biometric-based workout system and hopefully the last fitness, health or wellness app you’ll ever need.

Alter team workout

Alter Performance Council

Alter’s Performance Council is a hand-selected group of preeminent experts delivering expertise and unparalleled professional insight in genetics, biometrics, human health and performance, technology, and innovation.

Paul Winsper

Paul Winsper

Chief Science and Performance Officer, Alter
Affiliations: Nike, Under Armor, Notre Dame Athletics, Newcastle United FC, and Toronto FC

Paul Winsper works at the intersection of health, wellness, and athletic performance. Throughout his career, he has worked with athletes and coaches in premier organizations like the NFL, NHL, NBA, and MLS. Whether it’s coaching champion boxers or Olympic athletes, Winsper's expertise spans across various disciplines.

Dr. Wendy Borlabi

Dr. Wendy Borlabi

Globally Recognized Sports Psychologist
Affiliations: Navy Seals, US Olympic Committee, Forbes women’s summit

Dr. Wendy Borlabi is a renowned athlete performance psychologist whose mindset-first approach to athletic achievement has been adopted by world-class athletes and Fortune 500 companies alike. Dr. Borlabi works alongside the world’s top athletes to help them reframe their mindsets to reach their full potential.

Dr. Cheri Mah

Dr. Cheri Mah

Sleep Physician, Sleep and Performance Advisor
Affiliations: Stanford University, Nike, UCSF Human Performance Center, NFL, NBA, NHL, and MLB

Dr. Cheri Mah is a sleep physician focused on the relationship between sleep and performance in elite athletes. Over the past decade, her work has been featured by The New York Times, ESPN, NPR, NBC Bay Area, Time, BBC, and The Wall Street Journal.

Dr. Mike Clark

Dr. Mike Clark

Chief Science Officer — National Academy of Sports Medicine
Affiliations: National Academy of Sports Medicine, NBA science council, University of Georgia, UNC-Chapel Hill

Dr Clark is former CEO of the National Academy of Sports Medicine. His career has focused on helping athletes perform at their best. He was named Health and Fitness Visionary of the Year by Men’s Health. Mike is a performance consultant for multiple NBA teams, as well as more than 40 pro and college teams. He has personally worked with MVPs from the NFL, NBA, NHL, and MLS, as well as several Olympians.

John Schaefer

John Schaefer

Head of Training, Alter
Affiliations: Marvel, Sports Illustrated

John brings over 25 years of personal training experience to Alter. His expertise is in demystifying the journey to muscle gain and fat loss, presenting it in an easily understandable, common-sense manner. A prominent figure on platforms such as TikTok, John has influenced millions with his practical health and fitness advice, guiding his clients to a cumulative weight loss of over 15,000 pounds.

Dr. Bruce Johnson

Dr. Bruce Johnson

Professor of Medicine at Mayo Clinic, Human Performance Expert
Affiliations: Mayo Clinic, Dept. of Cardiovascular medicine. Ultra-Trail du Mont-Blanc

Dr. Bruce Johnson spearheads groundbreaking research at the forefront of understanding human performance as part of the Mayo Clinic's Human Integrative and Environmental Physiology Laboratory. He specializes in the prevention of cardiopulmonary conditions through effective exercise regimes and diagnostic technology.

Michael Watts MSc, PBC, CSCS, NASM: PES, CES, CPT

Michael Watts MSc, PBC, CSCS, NASM: PES, CES, CPT

Head of Science and Performance, Alter
Affiliations: Under Armour, Nike, Aston Villa FC, English Football Association

Michael Watts, a leading Human Performance Scientist, has worked with teams in the English Premier League and internationally with both the England Women's and the Chinese Men's National soccer teams. His expertise extends to training elite athletes across a spectrum of sports, including notable individuals like MVP Steph Curry, Heavyweight World Champion Anthony Joshua, and World Champion and Olympic medalist, Brittany Bowe.


Our Values

Science-driven wellness

Science-driven wellness

Empowering health through science, we turn complex research into your success.

Results oriented

Results oriented

We are dedicated to delivering a highly personalized experience tailored to your unique DNA and biometrics. Our approach is designed to achieve tangible outcomes, whether it's weight loss, muscle gain, or simply boosting your energy levels throughout the day.

Simplicity in a complex world

Simplicity in a complex world

While others complicate, we simplify. We're dedicated to making your fitness and health journey straightforward and accessible, we cut through the complexity to bring you a clear path to wellness.

Personally precise

Personally precise

Crafted with intent, not left to chance. Our science-led, data-fueled approach ensures every aspect of your fitness and lifestyle coaching is precisely tailored. With each interaction, we learn, adapt, and deliver a 'just right' experience that evolves uniquely with you.


Current Job Openings

No open positions are currently available.