OTTAWA — Stephen Lewis, a notable Canadian social activist and former politician, has passed away at the age of 88. His death was announced by the Stephen Lewis Foundation on its website. Lewis was well-known for his extensive work in Canadian politics and international diplomacy, serving as Canada's ambassador to the United Nations.

Lewis led the New Democratic Party (NDP) in Ontario and was the father of Avi Lewis, who recently became the leader of the federal NDP. His tenure as Canada’s UN ambassador was just one highlight of an illustrious career that saw him take on several crucial roles within various UN agencies. Among these positions, he served as a special adviser to former UN Secretary-General Kofi Annan, Deputy Director of UNICEF, and as the UN's Special Envoy for HIV-AIDS in Africa.

In 2003, Stephen Lewis co-founded the Stephen Lewis Foundation. This organization has made significant contributions towards combating the AIDS crisis in Africa, raising over $200 million for grassroots organizations dedicated to fighting the disease. The foundation remains a testament to Lewis's passion for social justice and his commitment to improving lives on the continent.

Lewis's contributions to both Canadian politics and international humanitarian efforts have had a lasting impact, making him a respected figure in multiple arenas. His legacy will likely continue to influence future generations of activists and politicians dedicated to social change. This report was initially published by The Canadian Press on March 31, 2026, highlighting the profound loss felt in both the political and social justice communities due to his passing.

With notable moments throughout his career, including his impactful speech during the 2016 NDP federal convention in Edmonton, Lewis leaves behind a rich legacy of advocacy for social welfare and equity. His passing brings an end to an era marked by dedication to important global issues and local struggles alike.