Frank DeAngelis, retired principal of Columbine High School, served as an educator for the Jeffco School District in Littleton, Colorado from 1979 to 2014. A national-level speaker, Frank has addressed numerous professional and school audiences on the topic of recovery after a school-based tragedy. He has visited, consulted, and assisted school communities across the country following incidents of violence and tragedy, including Platte Canyon, Chardon, Virginia Tech, and Sandy Hook.