Piotr Strzelczyk (born 1972), programmer, DTP specialist. He studied at the Faculty of Electronics at the Gdańsk University of Technology. He worked in the DTP industry for over twenty years. He dealt with free software and typography. Member of the Polish TeX Users Group (GUST) and the Polish Linux Users Group (PLUG). Together with Jackowski and Nowacki, he is a co-creator of Metatype1 - font parameterization software. Author of Open Source utility programs and co-author of digitization of several multi-character mathematical fonts created in the TeX environment. Currently, he deals with computer models of integrated circuits.