Career
In the general election in 2013 he was elected deputy representative to the Storting (the Norwegian parliament) from Oslo. Wennesland met for two weeks as a regular representative before the cabinet change in October 2013. In 2011 he survived the Utøya massacre.
He became leader of the Oslo Workers" Youth League (Oslo Labour Party Youth Organisation (Norwegian)) in August 2011, succeeding Håvard Vederhus who was killed.