Roy is Executive Director of the Municipal Natural Assets Initiative (MNAI) and Principal of Brooke & Associates. He served as Director of Sustainability for the City of Victoria between 2011-2013. Between 2003-2011 he worked for the United Nations, including the World Health Organization, United Nations Environment Programme and UN Office for the Coordination of Humanitarian Affairs, based in Geneva, Switzerland, and later in Rwanda, where he was UNEP’s Environment Programme Coordinator. Prior to this he served as a political advisor to Canada’s environment minister.