Career
Professor Doctor habilitation He served as President of the Regional Commission of the Institute of National Remembrance (National Polytechnic Institute) in Gdańsk and, at present, is the President of the Scientific Advisory to Instytut Bałtycki. Gąsiorowski specializes in World World War II history of Poland, with focus on the anti-Nazi resistance in Pomerania. He is the author of books and monographs on this subject including genocidal operations against Poles by Nazi Germany such as the Intelligenzaktion and the massacres in Piaśnica.
Gąsiorowski was born in Subkowy in northern Poland.
He habilitated in 2000 at the Faculty of Historical Sciences of the Mikołaj Kopernik University in Toruń. Gąsiorowski is the author and co-author of books devoted to Gdańsk Pomerania, notably to the underground paramilitary Polish Scouting Association Szare Szeregi, and Polish underground Navy in 1939-1945.