Billy Glisan is the CEO of Powercore360, an organization that trains high school, collegiate, and professional athletes who want to improve their arm speed, with applications to volleyball, baseball, football, golf, lacrosse, and many other sports. He has worked with major league baseball players, PGA Tour golfers, and collegiate volleyball players at Creighton, Nebraska and Northern Colorado, as well as developing athletes trying to make their high school varsity teams. You can find out more about Billy at www.powercore360.com.
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