Brian MacKenzie is an expert in the development and application of custom protocols to optimize human health and performance. His work harnesses and integrates respiratory, movement, strength and endurance-based training approaches to elicit unprecedented positive results. His protocols have been used to accelerate and raise both mental and physical performance in world-class Olympic and professional athletes, top executives, and operators, as well as to improve the health for people suffering from various chronic illnesses.

Dr. Andy is a tenured Professor in the Center for Sport Performance at CSU Fullerton. He was born and raised in beautiful Rochester, WA and is a die-hard Seahawks, Huskies, & Mariner fan. RIP Sonics. As a youth, Andy played every sport at his disposal, excelling at Football, Basketball, Baseball, and Track & Field. While not playing, he worked at grocery stores, gas stations, hay fields, blueberry farms, and in the road construction business. It was during this time he discovered Strength & Conditioning.

Markus started from the bottom now we here ;) Entrepreneur. As a former gym owner he built, ran and eventually sold CrossFit Active Performance - which was voted the #1 CrossFit gym in Orange County (southern CA) several times. He has been helping gym owners build their businesses for 11 years. He's helped launch and grow the non-profit Barbells for Boobs. Markus developed the website and marketing platform that helped launch Reebok CrossFit ONE, and then the first 25 Reebok affiliates all over the world.

Dr. Kevin Sprouse is trained and certified in both Sports and Emergency Medicine. He serves as the Head of Medicine for EF Education First Pro Cycling and works with elite and professional athletes across numerous sports and disciplines, including professional cycling, triathlon, PGA golfers, NFL players, Olympic track and field athletes, and many more.

James Hobart has a BA in Philosophy, BA in English. J.D. 2011., He is a CrossFit Seminar Staff Flowmaster and CF-L4 coach. James is an 8 times CrossFit Games Competitor (5 team, 3 indi). He is also a Certified EMT.

Greg Hammond has enjoyed working for Concept2 since 1996. He is based out of our HQ in Vermont and works in marketing mainly with action sports athletes, the military as well as CrossFit and the more mainstream professional sports like NFL, NBA, and mixed martial arts.