John is the Chief Operating Officer of CSSL. He was Executive Director of School Safety for Jeffco Public Schools in Colorado for 14 years and is recognized internationally as the architect of the Columbine High School post-tragedy security and emergency management plan. John is recognized by the U.S. Department of Education as a subject matter expert on active shooter preparedness, emergency plan development and school/law enforcement collaboration. Following Sandy Hook, he spoke at the White House about active shooter preparedness, response and recovery programs. John has led and supported many other crisis responses across the country, gaining him recognition as the School Safety Director of the Year and the prestigious ASTORS Homeland Security Award for excellence in public safety and community resilience.