Neumann studied from 1961 to 1966 at the University of Bremen and later he worked as teacher until 1971 in Bremen.
National service, 1961-1963. County chairman. Junge Union (Young Union), Bremen, 1967-1973. Member of county Executive Committee, Christian Democratic Union Bremen, since 1967.
Member of federal Executive Committee, Junge Union, 1969-1973. Deputy federal chairman. Junge Union, 1971-1973.
Member of city parliament, Bremen. 1971-1987; deputy chairman, Christian Democratic Union group, city parliament, Bremen, 1971-1973. Chairman, Christian Democratic Union group, city parliament, Bremen, 1973-1987.
Member of federal Executive Committee. Christian Democratic Union, since 1975. Leading candidate, elections to the city parliament, Bremen, 1975 and 1979.
County chairman, Christian Democratic Union Bremen, since 1979. Leading candidate, elections to the city parliament, Bremen, 1983. Member of Bundestag, party list of Bremen, since 1987.
Media policy spokesman, CDU/CSU Parliamentary Group. Christian Democratic Union Chairman, Federal Committee for media policy. Member, CDU/CSU parliamentary exec, cttee.
School teacher, Bremen, 1966-1971. On leave, since 1971. Member of governing board.
Radio Bremen; member of board of trustees, Hermann Ehlers Foundation, Kiel.
Since 1962, Neumann has been a member of the Christian Democratic Union (Christian Democratic Union). He was a member of the Bürgerschaft of Bremen from 1971 to 1987. Since 1987, Neumann has been a member of the Bundestag.