After broken middle school and working as an insurance agent was Voggenhuber 1977-1982 Speaker of the United Civic Initiatives Salzburg Salzburg citizens and their community group list. From 1982 to 1987 he served as an alderman from Salzburg responsible for urban planning, urban renewal, transport, the environment and the planning authority.
From 1988 to 1991 he was national director of the Green Alternative he advanced from November 5th 1990 to March 13th 1996 as Member of the Austrian Parliament in Parliament. From 1990 to 1992 he also served as Parliamentary Group Leader of the Greens in Parliament.
After he already held the post of the speaker of the Greens Europe since 1991, Voggenhuber was from January 1, 1995 to July 14, 2009 Member of the Greens in the European Parliament. He was also from 2003 to 2003 a member of the Constitutional Convention on a European Constitution and a defender of its design.
On January 30, 2009, it was decided at a meeting of the extended federal board of the Greens that Voggenhuber is not on the list of the Greens in the European elections in 2009, which led to considerable controversy.
As an author he has published several publications on European integration, urban studies and democracy, and in 1988 the book reports to the sovereign. The citizen and his city.
In the fall of 2010 at the Salzburg Residenz -Verlag a collection of selected speeches and articles appeared under the title Voggenhubers res publica. Speeches against gravity.
- 2002: Grand Decoration of Honour for Services to the Republic of Austria