1985-94, Member of Viennese State Parliament and Municipal Council; 1988, Managing Director, Viennese Tenants' Association; 1994-2007, Executive City Councillor for Housing, Housing Construction and Urban Renewal; President, Viennese Fund for Housing Construction and Urban Renewal; Vice-President, Viennese Business Agency; since 2007, Federal Minister for Transport, Innovation and Technology; 2008, Executive Chairman, Social Democratic Party of Austria; 2008, Chairman, SP+û at 40th Socialist party meeting.