Born in 1974 in Bad Arolsen, Germany, Christoph Müller studied at Ludwig Maximilian University Munich and in Washington, D.C., before serving as a reserve officer in the German Army. He held senior communications, strategy and government affairs roles at Eurocopter, Krauss-Maffei Wegmann and Airbus Helicopters. After joining Rheinmetall in 2019, he led several divisions and has served as CEO of Rheinmetall MAN Military Vehicles since 2026.