Stephen Lewis is co-director of AIDS-Free World, a new international advocacy organization that works to promote more urgent and more effective global responses to HIV/AIDS. Among several senior UN roles that spanned over two decades, Lewis was the UN secretary-general's special envoy for HIV/AIDS in Africa; deputy executive director of UNICEF; and Canada's ambassador to the United Nations.

In addition to his work with AIDS-Free World, Lewis is a professor in global health at McMaster University. He serves as chair of the board of the Stephen Lewis Foundation in Canada.

Last Updated: August 30, 2017