Col. Łukasz Jędrzejczak, Deputy Commander of the Cyberspace Defence Forces. A graduate of the Faculty of Law and Administration at the University of Łódź.
From 2003, he took up service in the Police. From December 2016 to July 2018, he headed the Reconnaissance Department at the Bureau for Combating Cybercrime of the Police Headquarters in Warsaw. From March 2018 to March 2020, Deputy Director of the Department of Science and Military Education at the Ministry of National Defense, where he was responsible for cybersecurity and supervision over RON units in this field. From April 2020, the head of the Ministry of National Defense CSIRT.