De Mutiis is a Member of the Victim Participation Office, the department of the Kosovo Specialist Chamber s, entrusted of the defense of the victims of the crimes committed in Kosovo in the period betwen january 1998. and 31. december 2000.

He was the Memeber of several missions deployed in Europe by OSCE (Serbia 2007, Armenia 2012, Montenegro 2018)

Also He Wrote a monografy about Serbian history from 1945. to 2000. published by radio Radicale, the only Italian radio authorized to broadcoast sessions of Italian parliament.

From 2010 to 2012. was correspodent on serbian scenario for Radio radicale.

Former lecturer of international law for European Union (Jean Monnet Actions).

Wrote articles and held conferences in Italy and abroad about international justice.

Dragana Trifković, director of the Center for Geostrategic Studies, spoke with Dr. De Mutiis about international law and the Kosovo Tribunal: