Read the interview in the New York Post: https://nypost.com/2021/04/29/yankees-stars-agent-are-teaching-teens-that-character-matters/
Checkout the interview Mark gave on MLB SiriusXM Satellite Radio regarding Perfect Playcement.
Meet Mark Leinweaver of Perfect Playcement in Manhattan Beach
Mark is interviewed by his Alma Mater Stonehill University. https://www.stonehill.edu/alumni-magazine/winter-spring-2021/alumni-community/hitting-it-out-of-the-park/