From Wikipedia, the free encyclopedia Krzysztof Piesiewicz (Polish pronunciation: [ˈkʂɨʂtɔf pjɛˈɕɛvit͡ʂ]; born on October 25, 1945 in Warsaw, Poland) is a Polish lawyer, screenwriter, and politician, who is currently a member of the Polish Parliament and head of the Ruch Społeczny (RS) or Social Movement Party. Piesiewicz studied law at Warsaw University and began practicing in 1973. Through the late 1970s he became increasingly involved in political cases, defending opponents of the Communist ...