Which person was the U.S. Ambassador to the United Nations from 1971 to 1973, then later President of the United States?

The individual who served as the U.S. Ambassador to the United Nations from 1971 to 1973 and later became President of the United States was George Herbert Walker Bush. His tenure as UN Ambassador, from March 1971 until January 1973, marked his first significant foray into foreign policy and global diplomacy. During this period, the United States was navigating the Vietnam War and a new phase of the Cold War, providing Bush with crucial experience in international relations. He remains the only U.S. president to have held the position of UN Ambassador, and the skills he developed there in crisis management and high-stakes diplomacy proved invaluable during his presidency.

Bush's time at the UN was notable for his efforts to build relationships with countries of all sizes, understanding that even smaller nations held influence in critical votes. One significant event during his ambassadorship was the controversial vote to admit the People's Republic of China to the United Nations while expelling the Republic of China (Taiwan) in October 1971. Despite working to find a compromise, Bush described this outcome as a "dark moment for the United Nations and international diplomacy."

After his service at the UN, Bush's career continued to be marked by a series of high-level positions. He went on to chair the Republican National Committee during the height of the Watergate scandal, served as Chief of the U.S. Liaison Office to the People's Republic of China, and later as Director of Central Intelligence. These diverse roles in both domestic and international affairs built a robust foundation (Review) for his eventual bid for the presidency. He became Vice President under Ronald Reagan in 1981, serving two terms, before being elected the 41st President of the United States in 1988.