The military career of Lieutenant General Piotr Blazeusz started with assignment as an assault platoon commander with the 10-6 Airborne Brigade in Krakow. At Poland’s Military University of Technology (WAT), he qualified and was appointed for military studies in the United States. He graduated with honours from the US Air Force Academy (USAFA).

Afterwards, his assignments included NATO Specialist in the Secretariat of the State Secretary of Defense; Assistant Defense, Military, Navy, and Air Attaché in the Polish DAO in Washington DC; Senior Specialist at the J-5 Directorate at the General Staff of the Polish Armed Forces; Director of the Minister of National Defense Office; Chief of the Command Center at the Operational Command of the Polish Armed Forces; Chief of Training of the 1st Mechanized Division; Commander of the 15th Mech Brigade; Deputy MILREP at the Polish Military Representation to the NATO and EU Military Committees; Director J-5 Directorate at the General Staff of the Polish Armed Forces; Chief of Staff of the General Command of the Armed Forces; Deputy Chief of Staff for Strategic Development and Preparation at NATO SHAPE; Deputy Chief of Defense at the General Staff of the Polish Armed Forces; Vice Chief of Defense at the General Staff of the Polish Armed Forces.

Lieutenant General Blazeusz holds a PhD degree in Political Science.