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.

Andy Haley

Andy Haley is the former Performance Director at STACK.

Read More About Andy

Annie Koeblitz

Annie Koeblitz served as STACK's associate digital producer and graduated from Rollins College, where she played lacrosse and majored in Critical Media & Cultural Studies and Sociology.

Read More About Annie Koeblitz

Anthony Drago

Anthony Drago is the founder and president of GPS Basketball Instruction. GPS stands for Go Prove Something. He is also the author of the book, "Go Prove Something! A Basketball Player's Guide to Legally Using PEDs."

Drago is a veteran of The United States Coast Guard, former certified personal trainer and 20-year advocate of the personal development industry. A basketball player for over 30 years, he is the former Assistant General Manager, Director of Player Development and Assistant Coach for the Staten Island Vipers ABA Professional Basketball Franchise. He was a guest on Sports Tuesday with Steve Manderson and is a USA Basketball certified coach.

Training players in all aspects of the game, Drago emphasizes speed, agility and quickness. In addition to physical training, he also guides basketball players' personal development. Learn more at

Read More About Anthony Drago

Anthony Eads

Anthony Eads is a Certified Mental Trainer® in practice with Mental Training, Inc., one of the nation's leading sport and performance psychology firms. An expert in performance psychology, he teaches athletes how to build the mental skills required to improve performance, overcome adversity, and achieve difficult sports goals. He currently practices in Miami, Fla., and he can be reached directly through

Read More About Anthony Eads