In addition to his work as a teacher, Hauser has been the tourism chairman of the municipality of St. Jakob in Defereggen since 1988.

[2] In the 2006 election, Hauser would be placed 4th on the FPÖ party list and the top candidate for Tyrol.

Hauser would be elected, and serve for 2 years as a member of the National Council.

Hauser would be elected back to the National Council after a 5 year hiatus.

[10] As the party won six seats, Hauser would be elected and join the PfE group.