President of the Marian Rejewski Historical Foundation, member of the Society of Friends of the City of Bydgoszcz, the Patriotism and Freedom Association and member of the Board of the Association of Military Historians. Editor-in-chief of the "Historia Naprawdę" portal, journalist, former editor of the "Tygodnik Bydgoski," "Katolicka Bydgoszcz," and "TVP3 Bydgoszcz" portals. Currently collaborates with the biweekly "Wolna Droga." Regular contributor to the "Polska Zbrojna Historia" magazine. He has also published in the monthly “Odkrywca”, the bimonthly “Torii”, the bimonthly “Historia bez tajemnic”. Author of 29 scientific and popular science historical books, and over 300 articles on historical topics.
