Fen is currently Chancellor’s professor and professor of international affairs at the Norman Paterson School of International Affairs. His work focuses on international, digital and internet governance and international negotiations.

He currently explores global attitudes towards the internet and online platforms and the development of narratives. Amongst several major awards, he is a fellow of the Royal Society of Canada and a recipient of the Distinguished Peace Scholar Award and the Distinguished Canadian Scholar Award respectively of the International Studies Association. He is a frequent commentator and contributor in the national and international media. Moreover, he served as Director of the Global Commission on Internet Governance and is the President of the World Refugee & Migration Council.

At THE NEW INSTITUTE Fen was involved in the program "Socio-Economic Transformation".