$USDC Donald J. Trump is an American businessman, television personality, and politician who served as the 45th President of the United States from 2017 to 2021. Before entering politics, he was known for his real estate empire and as the host of The Apprentice. Running as a Republican, Trump won the 2016 presidential election against Hillary Clinton, promoting an “America First” agenda that focused on immigration control, deregulation, and trade protectionism.