In 2011 he became known internationally for being the lead counsel for the perpetrator of the 2011 Norway attacks , Anders Behring Breivik . Since 2011 Lippestad has expanded his law-firm , handling several high-profile cases , as well as speaking at public events . He is also noted for being an outspoken proponent of progressive causes , and is the chairman of the left-wing think tank '' Agenda '' . From 2015 , he is a member of the Oslo City Council , representing Labour
2011 Norway attacks
2011 Norway attacks
Geir Lippestad