Hauk was active at an early age as chairman of the CDU Young Union (Junge Union, JU) Wallduern from 1985 until 1989, area chairman of the JU Neckar-Odenwald-Area 1987 to 1995 and member of the board 1987 to 1991.
Peter Hauk is on the executive board of the Neckar-Odenwald-Area CDU North Baden, became Deputy Area Chairman in 1993 and Chairman in 2013.