National Best-Selling Author & TV Guest
Deputy Under Secretary of Education
President of the Core Knowledge Foundation
Pastor and Founder & President of Crossroads Ministries
Former Teacher; Now An Instructional Designer and Author on Effective Instruction on Learning
Former New York Times Reporter & Columnist; Best-Selling Author of "At Home in the World" & "Labor Day"
Master Speed Chalk Artist
Founder of the Tinkering School & Brightworks School; Author of "50 Dangerous Things You Should Let Your Children Do"