Roger is an Australian national, he assumed his duties previously as Director of UNRWA in Syria in 2009, rejoining after having served as Senior External Relation Officer in Gaza from 2002-2004. He has also worked for CARE International where he was the Regional Director for the Middle East and Europe. Roger was also Regional Director Middle East and Eurasia at Save the Children International.

Roger holds a Bachelor Degree in Social Work, Post Graduate Diploma in Public Administration, and a PhD in Political Science from the University of Melbourne, Australia.