Krzysztof Pająk has a PhD in social sciences in the aspect of international security. He defended his PhD dissertation at the Polish Naval Academy in Gdynia. Pająk is an expert of the Polish Industrial Lobby and a member of the Euro-Atlantic Association, moreover he is an academic lecturer – he lectured at the War Studies University, School of Economics, Law and Medical Sciences in Kielce, Military University of Technology and Academy of Euro-Atlantic Association. In 2016, as an expert of the Ministry of Maritime Economy and Inland Navigation, he formulated a part of the Strategic Concept of Maritime Security published by the National Security Bureau. He specializes in aspects of defense, especially in maritime security, foreign policy and European relations.