He won twice on the European Tour and in 2008 was his country's second highest ranked player, behind Bernd Wiesberger.

Brier won the Swiss and German Amateur Opens in the mid-1990s, and turned professional in 1995 at a relatively late age.

In 2006 the tournament was promoted back onto the main European Tour schedule, now under the sponsored title BA-CA Golf Open.

In its first year back, Brier once again took the title, in the process becoming the first Austrian golfer to win a European Tour event.

Brier's second European Tour win came in 2007 at the Volvo China Open and he improved his position on the year end Order of Merit to 32nd.