The 45th President of the United States is Donald Trump, who served from January 20, 2017, to January 20, 2021. He was a businessman and television personality before entering politics, known for his role on the reality show The Apprentice. Trump ran as a Republican candidate and won the election against Hillary Clinton. During his presidency, Trump focused on issues such as immigration, tax reform, and trade policies. His administration implemented the Tax Cuts and Jobs Act in 2017 and appointed three justices to the Supreme Court. Trump's presidency was marked by significant political polarization and controversy.