Marc Kielburger is a Canadian author, social entrepreneur, columnist, humanitarian and activist for children's rights. He is the co-founder, along with his brother Craig, of the We Movement, which consists of the WE Charity, an international development and youth empowerment organization; Me to We, a for-profit company selling lifestyle products, leadership training and travel experience; and We Day, an annual youth empowerment event. In 2010, he was named a member of the Order of Canada by the Governor General of Canada.

Craig Kielburger is a Canadian human rights activist and social entrepreneur. He is the co-founder, with his brother Marc Kielburger, of the WE Charity, as well as We Day and the independent, social enterprise Me to We. On April 11, 2008, Kielburger was named a member of the Order of Canada.