Vennemann was born in Oberhausen-Sterkrade in Western Germany. He served as professor of Germanic and theoretical linguistics at
LMU Munich from 1974 until his retirement in 2005, and is listed as emeritus faculty. LMU describes his academic responsibilities as including the history of German in its Indo-European context, general theory of language structure and change, typology, and the linguistic prehistory of Europe. ==Academic work==