Geoff Colvin draws on his experience as a classroom teacher and administrator, researcher at the University of Oregon, and national public school consultant. Recognized as a national expert on the subjects of school safety and violence prevention, Colvin has provided inservice training for teachers and administrators in more than 100 school districts and agencies nationally and internationally. He recently served as research associate at the University of Oregon and independent consultant in the areas of schoolwide discipline, school climate, school safety, and violence prevention, and has als...