For thirty-three years Ravi Zacharias has spoken all over the world and in numerous universities, notably Harvard, Princeton, and Oxford University. He has addressed writers of the peace accord in South Africa, President Fujimori's cabinet and parliament in Peru, and military officers at the Lenin Military Academy and the Center for Geopolitical Strategy in Moscow. He has been privileged to bring the main address at the National Day of Prayer in Washington, DC, an event endorsed and cohosted by President George W. Bush, and at the Pentagon. Additionally, Mr. Zacharias has spoken twice at the Annual Prayer Breakfast at the United Nations in New York, which marks the beginning of the UN session each year, and at the invitation of the President of Nigeria, he addressed the delegates at the First Annual Prayer Breakfast for African Leaders, held in Mozambique.