 Kamiński earned his doctorate in 1999, and became deputy director of the IPN Bureau of Public Education in 2006, becoming director of the Bureau of Public Education in 2009.After his predecessor Janusz Kurtyka died in the 2010 Polish Air Force Tu-154 crash, Kamiński was elected by the Sejm as the third President of the IPN (Franciszek Gryciuk was acting president 2010–2011).He is a founding signatory of the Prague Declaration on European Conscience and Communism.