STACK Experts

Become a STACK Expert

The best sports performance experts in the country—trainers, nutritionists, sport psychologists and others—contribute STACK's Sports Performance content. These men and women work with top athletes and teams, at both the collegiate and professional level, to help them get better and make smart training, nutrition, skills and gear choices. They regularly offer the benefits of their experience to help STACK's readers and web visitors become better athletes. Read about their backgrounds and find their articles and posts—all designed to help young athletes safely and effectively boost their performance. Learn More.

Alex Nurse
Alexander Nurse is a Strength & Athletic Development Coach working with athletes across multiple sports from youth to professional; as well as individuals looking to lose fat or build muscle. He is the Co-Director of AXIS Performance + Training, located in Scarborough, Ontario.

Read More About Alex Nurse

Alex Simone

Alex Simone is the owner and operator of Simone's Baseball Performance in Syracuse, New York. He is recognized as a Certified Physical Preparation Specialist (CPPS), one of the industry's leading certifications, and endorsed by world renowned sport performance coaches Joe DeFranco and Jim Smith. Simone played four years of college baseball and was drafted out of high school by the Milwaukee Brewers in 2010.

Read More About Alex Simone

Ali Christoph

Ali Christoph is a college recruiting advisor with the Student-Athlete Showcase. She is a graduate of the University of Tennessee, where she played varsity soccer. During her college career, she was a three-time All-American, ESPN’s Player of the Year and SEC Co-Player of the Year. A two-time captain, she helped lead her team to three SEC championships and four NCAA tournaments. At the Student-Athlete Showcase, she works with student-athletes from across the nation to help them successfully secure offers to play at the next level. She says, “At SAS, we understand the value of having a real plan. We understand that no two student-athletes are alike, and each one’s collegiate goals are unique. That's why the solutions we offer cater to their specific needs.”

Read More About Ali Christoph

Ali Hyatt

Ali Hyatt is a marketer and writer with a background in creating successful brand strategies and products for consumer, athletic and apparel brands. She has also worked on the development of and strategy for a mobile health tracking device. She is always on the lookout for new mobile and digital health tools, having tried and tested most of them. Hyatt is an active half-marathoner, a beginner cyclist and a devoted Red Sox fan.

Read More About Ali Robbins Hyatt

Allen Langford

Allen Langford is the director of performance coaches at Athletic Body Mechanics in Houston. A former four-year starting cornerback at the University of Wisconsin, he was named academic All-Big Ten, All-Big Ten (twice) and team MVP in 2008. He graduated with a degree in Business and Communications.

After interning at the University of Toledo with coach Rick Court, Langford spent time at the San Francisco 49ers as a fellowship coach. He regularly works with local high school athletes and with Division I athletes attending Michigan State, Ohio State, TCU, Michigan and Wisconsin. He has also works with NFL players, including Vernon Gholston, Bart Scott, Owen Daniels, Steve Slaton, John Bowie and DeAndre Levy. He is a certified strength and conditioning specialist through the NSCA.

Read More About Allen Langford

Amy Goodson

Amy Goodson is a sports dietitian in the Dallas/Ft. Worth area. She works with TCU Athletics, the Dallas Cowboys, the Texas Rangers and FC Dallas Soccer. In addition to professional athletes, she also sees high school athletes, weekend warriors and marathon runners.

Read More About Amy Goodson

Amy Jamieson-Petonic

Amy Jamieson-Petonic has dedicated her life to becoming a role model for good health and performance. As a registered and licensed dietitian, exercise physiologist and licensed massage therapist, she has extensive bandwidth on the role of healthy living in her own life, and she extends her passion for wellness to those around her.

Jamieson-Petonic’s specialties include sports nutrition, wellness, and adult and childhood weight management. As a Certified Specialist in Sports Dietetics, she has become one of the nation's top experts, consulting to organizations like the Cleveland Browns, Cleveland Cavaliers, Cleveland Rockers, Cleveland-San Jose Ballet and the 2006 Olympic Figure Skating Team.

Jamieson-Petonic is a professional speaker on nutrition and fitness, complementary medicine and wellness. She is also the author of two publications: “How to Lose Weight and Feel Great without Dieting” and “No Nonsense Nutrition: Real Nutrition for Real People.” She has been quoted in

Read More About Amy Jamieson-Petonic