Maj. Res. Piotr Jaszczuk, reserve officer, veteran of missions abroad. Specialises in selected aspects of national security, defence and cyber security. Graduate of the Faculty of Electronics at the Military University of Technology - Technician of Radio Devices and postgraduate studies with a specialisation in information technology. Spokesperson and press officer (8th Air Base, PKW UNIFIL, Operational Command of the Armed Forces). Advisor to the President of the UKE between 2012 and 2014. Subsequently, promotion specialist at the Centre for Veteran Activities Outside the State Borders, head of the marketing and promotion department at Wojskowy Instytut Wydawniczy - Polska Zbrojna and press officer at the Stratpoints Foundation for Security and Development. In Defence24 Group since 2018 - project manager and author of articles and analyses. Academic teacher since 2020 (UWM in Olsztyn - Cybersecurity and National Security).