2009-10: Vienneau played for the Kingston Voyageurs of the OJAHL. In 35 games for the Voyageurs, Vienneau recorded a 2.16 goals-against average and a .928 save percentage. He turned in a 27-4-1-2 record on the season. In 13 playoff games, Vienneau posted a 9-4 record, along with a 2.56 goals-against average and a .916 save percentage. Played in the CJHL Prospects Event and was named Goalie of the Tournament.
Has committed to the University of Minnesota for the fall of 2011, but will spend a season in the USHL with the Muskegon Lumberjacks before beginning his college career.