Exos | Formerly Core Performance

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About Our Team

Mark Verstegen

Founder and President

Mark Verstegen is recognized as one of the world’s most innovative human performance experts. Verstegen pioneered the concept of integrated performance training and has brought that system to the world’s top athletes, teams, and sports organizations; the United States military; and leading companies, such as Intel, Walgreens, LinkedIn, and Sheraton Hotels and Resorts. As the founder and president of EXOS, formerly Athletes’ Performance and Core Performance, Verstegen leads more than five hundred employees at the company’s performance centers in Arizona, California, Florida, and Texas, as well as supplying international support to top athletes and organizations.

Verstegen and EXOS consult for high-performance companies including adidas, SKLZ, Keiser, and Axon Sports, helping them with product and program inspiration, development, and testing, as well as consumer marketing. EXOS also has partnered with Mayo Clinic to advance proactive health and human performance. Verstegen serves as the director of performance for the NFL Players Association, where he focuses on player safety and welfare. He’s regularly interviewed for training insight for publications and is a sought-after industry speaker who regularly presents at the leading conferences in the field.

Verstegen is the author of six books, including "Every Day Is Game Day" (2014) and "Core Performance," which popularized integrated performance training and has sold more than two hundred thousand copies. His widely acclaimed performance system is also available online through interactive programs at www.TeamEXOS.com. The Washington native lives in Phoenix, Arizona.

Mark's Articles


The Most Overlooked Area for Women

In this excerpt from his new book, Core Performance Women, Mark Verstegen explains why training your hips can reduce injuries and improve your performance.


The Costco Diet?

In this excerpt from the new book Core Performance Women, Mark Verstegen and Pete Williams explain how to simplify your nutrition planning with just 13 foods.

The Performance Life

Celebrate Your Victories

A message from Mark Verstegen on what it feels like to train national soccer teams.

The Performance Life

The NYT's Take on Core Training

Core Performance founder Mark Verstegen reacts to a recent article in the New York Times on core training, and explains why training for "pillar strength" actually matters most.


Q&A: Running Stairs

Running stairs boosts power and shreds calories. Here's what you need to know for a safe and effective session.