Cary Clack ; foreword by Joe Holley. Craig Siegel ; foreword by Jon Gordon. Dan Prock. ; foreword by John Shook. Radu Ioanid ; foreword by Elie Wiesel. Amy Berry ; Foreword by John Hattie. Jeff Henry ; foreword by Bob Barbee. Charles Boyce ; foreword by Terry Hands. Clive Diaz ; foreword by Louise Trickle. David Nurse ; foreword by Mel Robbins. Rick Soshensky ; foreword by Jon Samson.