Deutsche Volksunion
Neubauer was trained as an overseas buyer and undertook military service in the Bundeswehr. He was a member of the National Democratic Party of Germany from 1969 to 1972 and again from 1975 to 1981 but became associated with Gerhard Frey and the German People's Union, editing Frey's newspaper "Deutschen Anzeigers" (1975–1983).