Rick Soshensky ; foreword by Jon Samson. Craig Siegel ; foreword by Jon Gordon. Lisa Jasinski ; foreword by Leo M. Lambert. Dan Prock. ; foreword by John Shook. Jeff Henry ; foreword by Bob Barbee. Amy Berry ; Foreword by John Hattie. Celine Coggins ; foreword by John King John Rethorst ; foreword by Mark Johnson. Richard Schechner ; foreword by Victor Turner.