John Lange

John Lange has extensive experience in security and military operations. Currently serving as a Security Professional with the Cleveland Cavaliers since November 2013, John began at the Rocket Mortgage FieldHouse as an event officer, advancing to a full-time security officer and later becoming a shift supervisor, notably contributing during the team's championship season in 2015-2016. Prior to this role, John served in the US Army from August 2004 to August 2013 as a Military Police Sergeant, where responsibilities included leading squads and managing personnel during overseas assignments, with notable positions in Korea and Iraq.