Exos | Formerly Core Performance

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About Our Partners

EXOS partners with some of the top fitness, nutrition, and performance brands in the world. Each of these trusted partners has been selected by Mark Verstegen and the EXOS team to help you live the performance lifestyle.


Thorne Research

Since 1984, Thorne Research has set the standard for exceptional quality manufacturing and formulation of premium nutritional supplements available through licensed health-care practitioners. With more than 400 products, Thorne Research is recognized by health-care practitioners as a global leader in providing nutritional supplements of the highest quality and purity. Through recent acquisitions and joint ventures, Thorne Research now also offers product lines that address the nutritional deficiencies and requirements of those with cancer, neurological disorders, or cardiovascular disease, in addition to a product line for high performance athletes, a comprehensive product line of organic, non-GMO skin-care products, and related supportive practice management programs. With locations in Sandpoint, Idaho, and New York City, Thorne Research operates a state-of-the-art manufacturing facility and employs more than 275 people.



EXOS and adidas share a passion for sport and innovation. An EXOS partner since our first days, adidas is recognized worldwide for being the leader in performance training footwear and apparel. adidas conducts product innovation and development at EXOS, and is always searching for better and more efficient ways to help people perform at their best.

Sheraton Hotels & Resorts

Travel is hard on the body and mind, and presents unique challenges for all of us to perform at our best. Sheraton Hotels and Resorts are committed to helping their guests perform at their best while traveling away from home, be it for business or leisure. Sheraton Fitness, programmed by EXOS delivers state-of-the art performance solutions throughout Sheraton hotels around the world. EXOS programs have been integrated into Sheraton Fitness Centers, guest rooms, menus, website, and other elements of the guest experience.


SKLZ prepares athletes to be ready for their sport. They offer skill and performance training products and programs for athletes to use at home and in training environments. In 2013, SKLZ and EXOS launched a new training facility at SKLZ Headquarters--an endeavor designed to accelerate innovation in sport performance. The facility supports the full spectrum of EXOS' clients - from athletes, elite military operators, and local companies, providing Southern California's premier location for the advancement of athletic performance. Today, all of SKLZ performance training products are designed in collaboration with EXOS’ Performance Innovation Team, ensuring that every product is evaluated for proof-of-concept, authenticity, athlete benefit, ease-of-use and functional durability.


Keiser has been producing innovative conditioning equipment for world-class athletes since 1980, and EXOS is a firm believer in their exceptional quality and functionality. Like EXOS, Keiser focuses on the movement of the body, and designs machines around how best to train the body for the way it moves throughout the course of the day. Keiser continues to be the leading innovator in functional training equipment, which plays a significant role throughout the EXOS facilities.