Piotr Mateusz Andrzej Cywiński is a professional historian and Director of the Auschwitz-Birkenau State Museum since 2006; an active participant and frequent initiator in the Polish-Jewish and Christian-Jewish dialogue; and an ecumenist devoted to reconciliation of the various denominations among the cultures of the Kresy borderlands.
In 1996–2000 Piotr Cywiński served as vice-president of in Warsaw, followed by ten years as the President. Since 2010 he has been a Board Member of KIK. In 2002 he co-founded the multicultural St. Adalbert's Forum, which he chaired for approximately eight years. He co-organized the Congresses of Gniezno in 2003, 2004 and 2005. In 2004 Cywiński was elected vice-president of the global federation of Catholic intellectuals Pax Romana ICMICA/MIIC for the mandate 2004-2008. Between 2000 and 2006 Cywiński served as Secretary of . On 12 June 2006 Cywiński was nominated for director of the Auschwitz-Birkenau State Museum, a position he assumed on 1 September that year, replacing Jerzy Wróblewski who had been the director since 1990. He was also co-creator of and vice president of the Center's council. In 2009 Cywiński co-created the Auschwitz-Birkenau Foundation and since then serves as president of the foundation. For the years 2009-2018 Cywiński has been a member of the Museums' Council to the Minister of Culture, and in 2010 was appointed as member of the Council for the Protection of Struggle and Martyrdom Sites. He also serves as vice-president of the Council of :pl:Muzeum Tradycji Niepodległościowych w Łodzi|Museum of Poland's Independence Traditions in Łódź, and member of the first mandate of the Council, later - since 2012 - as member of the Board of Trustees of the Museum of World War II in Gdańsk. He is a member of the Council of Museum Gross-Rosen in Rogoźnica. He is a council member of the Maximilian Kolbe Werk :de:Maximilian-Kolbe-Werk|, a charity for concentration camp survivors. In 2011 he became a board member of the , memorial site in France. In 2015 the board of the Memorial Association accepted him as member of the Moscow's Memorial Association. In 2000-2002 while working for the Adam Mickiewicz Institute, Cywiński co-directed Festival "Europalia 2001 Poland", then created a portal about Jewish culture and history in Poland: "". 2001-2004 member of Consultative Council of NGOs at Polish Council for European Integration. For the years 2002-2014 served as member of the 's Group for Dialogue with Greek Catholic Church in Ukraine. In the 2004 European Parliament election, he was a candidate on behalf of Freedom Union. Between 2005 and 2007, Piotr Cywiński was vice-president of the association Wikimedia Poland, since May 2007 is a member of the Audit Committee of the association. In 2008, Cywiński served as ambassador of the European Year of Intercultural Dialogue.
Kościół wobec integracji europejskiej , ed. Jan Grosfeld, Warszawa 1997,.
L'Église en Pologne après 1989 face aux nouveaux défis de la démocratie avec Marcin Przeciszewski, Volume 48 de Cahier / le Rayonnement culturel polonais, in Communio : revue catholique internationale, 179, Vol. XXX, 2005