Donald Trump is a businessman, media personality, and politician who served as the 45th President of the United States from 2017 to 2021. He was born on June 14, 1946, in Queens, New York City, and was educated at the New York Military Academy and the Wharton School of Finance and Commerce at the University of Pennsylvania. Trump greatly expanded his father's real estate business in the late 1970s and 1980s by investing in luxury hotels and residential properties and by shifting its geographic focus.