Athletes can impact lives. They have a platform, and legions of fans—young and old alike—who they influence. But what happens when an athlete decides he wants to have a bigger impact, a larger purpose? In the case of Wayne Simien, he simply walked away. Simien was a Big 12 Player of the Year at Kansas who went to two Final Fours. But it wasn't enough. Later, he got drafted and won an NBA title. And yet, after two seasons in the league and one overseas, he abruptly retired. So why'd he do it? And how is he having a bigger impact now than ever before?