William joined the Legal Network's board of directors in 2006.
Currently he holds an appointment as Adjunct Professor in HIV/AIDS Prevention and Care at the University of British Columbia's College of Health Disciplines; and at Simon Fraser University, he is Manager of Literacy Lives, an applied community-based literacy, HIV/AIDS and peer support program for HIV-positive populations who experience difficulty accessing primary health care.
William is an Associate of Panos Canada with a focus on HIV/AIDS and a member of the board of directors of Africa’s Children, Africa’s Future. Previously, he was Executive Director of AIDS Vancouver, and an associate of Keeping the Door Open, an active participant in local and global harm reduction initiatives.
William has been an instructor of HIV/AIDS with the United Nations Development Programme Virtual Development Academy. He was also Deputy Director of the UN Non-Governmental Liaison Service.
He has a long history of working with bi- and multi-lateral organizations, and numerous not-for-profit international organizations. Among other activities, he drafted a regional strategy for HIV/AIDS prevention and treatment in collaboration with UN country offices in Eastern Europe and the Newly Independent States. More recently he worked in Mongolia with UNAIDS and UNDP to assist local HIV organizations design strategic plans.