Steffen Schlachtenhaufen Known forWritingBornAugust 10, 1978Place of birthWisconsin, USA Movies with Steffen SchlachtenhaufenNational Lampoon's Van Wilder 2002 · ★ 6.2 Movies directed by Steffen SchlachtenhaufenPrimal 2008 · ★ 3.7 TMDB · IMDb