Greg Stier combines amazing true-life stories with his own unique brand of humor to communicate biblical truth in a way that inspires and equips teenagers for action. As founder and president of Dare 2 Share (dare2share.org), Greg leads his team toward the goal of mobilizing teenagers to reach their world with the good news of Jesus Christ. He's the author of 15 books and numerous youth group resources.
Theresa Mazza is a speaker, writer, and longtime youth worker who led and planted a Rocketown student center in Pompano Beach, Florida. She lives and plays in Colorado with her husband, Joe, and son, J.J., and she serves as a volunteer in youth ministry at Broomfield United Methodist Church.