The Team

Shannon Grady, Founder and CEO, M.S. Exercise Physiologist, has over 30 years experience as an athlete and over 15 as a physiologist, sports performance expert, and coach. She has competed professionally for the FILA Discovery USA and PowerBar Team Elite, and has 4 Top 10 World Championship finishes representing Team USA triathlon. Prior to founding GO! Athletics, Shannon worked as an Exercise Physiologist for the United States Olympic Committee. Over the last 15 years, she’s worked with elite athletes and teams, including U of Florida, U of Tennessee, Villanova University, Duke University, UCF, WUSA, and MLL, developing an algorithm and methodology based on data samples from 90,000 athletes.

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Selina Weller, Head Exercise Physiologist. Selina has been part of the GO! Athletics team since 2002. She has worked directly with Shannon for over 10 years and performs physiological testing and data application primarily with our South Florida clients but also manages System Based Training implementation for all regions. Selina has also owns a massage therapy practice in South Florida working with athletes of all levels, from recreational and high school runners, cyclists, swimmers, golfers, soccer and tennis players, to ATP tour professionals, NHL, NFL, MLS professionals as well as Olympians such as Dara Torres.

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Hazel has been one of the most successful middle distance athletes in the US. Hazel is a 3 x three-time Olympian (2000, 2004, 2008), 2x Olympic Trials Champion, and Olympic Finalist, 7 x USA Outdoor and 2 x USA Indoor 800m National Champion. She was selected by the USOC as an Olympic Ambassador to represent athletes in meetings with top Olympic officials, provide a voice for the other athletes, and provide feedback to sponsors. Hazel also served as a spokesperson at national sporting and corporate events and make Olympic athlete appearances for major corporate sponsors that include Nike, Hershey, Home Depot, AT&T, BMW, and CVS Caremark. Shannon Grady has performed Physiological Profile Testing on Hazel since 1999.
Hazel’s Personal Best’s: 800m – 1:57.99 (2005); 1500m – 4:16.04 (2000)

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Michael graduated with an M.S. in Exercise and Sports Science from the University of Florida. For the past 15 years, Michael Coffey has been a strength & conditioning specialist, and an expert in the science of movement and speed. His athletes routinely find success at the highest levels, such as Gold Medals at the 2012 Olympic Games, and performing in Super Bowl Championships. As a strength and conditioning coach, his approach to high level performance has been an integral part of 8 NCAA Championship Teams at Stanford University. His insatiable curiosity to discover the cutting edge has led him to incorporate the fields of neuroplasticity, oxygen/altitude training, exercise endocrinology and mindfulness to his already vast training skill set. His expertise is delivered using a philosophy he calls The Resilience Factor- “Get tough and Recover First”. His expertise in developing what he calls Authentic Fitness, combined with his ability to connect and communicate, make him a master at sustainably maximizing athletic potential.

Todd is a Ph.D. candidate in Exercise Physiology at Michigan State University finalizing his dissertation on performance in triathletes. During his time at MSU, Todd served as the Exercise Physiology Research Lab Coordinator and has worked with athletes of all levels including MSU and University of Michigan club triathletes, MSU varsity athletes, and IndyCar drivers. Todd played baseball collegiately and has since transitioned to distance running and triathlon. Todd is a current member of the Every Man Jack triathlon team and is a two-time national champion at the USA Triathlon Olympic Distance Age Group National Championship. Todd has also run the Boston Marathon multiple times and owns a marathon PR of 2:28:36.

Christopher McElroy rowed for St. Joseph’s Prep and Northeastern University. He has won multiple National Championships as a lightweight sculler and continues to race competitively. Coach Mac has over 25 years of coaching experience working with scholastic and collegiate programs, as well as the United States and Puerto Rico National Teams (junior, u23 and senior). He has coached at St. Joseph’s Prep, St. Joseph’s University’s, Mount St. Joseph Academy, William Penn Charter and is currently coaching at Springside Chestnut Hill Academy. During the early ’90s, he resurrected the Penn Athletic Club Junior Rowing program. He has also coached at Penn A. C., Crescent Boat Club and Malta Boat Club between 1991 and 2014, and is currently coaching at Undine Barge Club. Internationally, he has coached 4 crews to World Championships between 2003 and 2015, as well as a single at the Americas Olympic Qualification Regatta in 2016.

Andrew Wiener graduated from Bucknell University in 2017 and competed on the varsity men’s track and field team. While interning with GO! Athletics in 2016, Andrew learned about Shannon’s’ methodologies and witnessed firsthand the athletic improvements by athletes and teams across all levels of sports. He currently serves as an Assistant with GO! Athletics, providing administrative support and physiological testing to teams and athletes across the East Coast. Additionally, Andrew serves as a high school track coach at The Haverford School.

Michael Chauner has been involved in cycling for 16 years as an athlete, coach and entrepreneur. He began racing at age 14 and steadily improved through the junior ranks, collecting state and national championship medals, earning a spot on the Junior National Team in 2004 and competing with team USA in Belgium, France and Holland. He helped his PA Team decisively win the National Team Pursuit Championship and qualify for the 2004 Junior World Track Championships in Los Angeles. Michael is a strong believer in combining a cycling career with higher education. He graduated from Bucknell University in 2008 with a degree in psychology and collected 11 collegiate cycling victories throughout his academic career making him the winningest Eastern Collegiate Cycling Conference rider during 2004 through 2008. Mike balances his own racing with his coaching business, Vitesse Sport Performance, where he focuses on helping individual athletes achieve their personal goals.