He was named a special advisor to the prime minister Ivo Sanader in 2010, and a Croatian agent before the International Court of Justice, where he led a team of Croatian and British lawyers in the case Croatia vs. Serbia.
Imenovan je posebnim savjetnikom predsjednika vlade Ive Sanadera 2010., i agentom Republike Hrvatske ispred Međunarodnog suda pravde, gdje je vodio tim hrvatskih i britanskih pravnika u slučaju Hrvatske protiv Srbije.