Donald John Trump (born June 14, 1946) is the 45th and current president of the United States. Donald John Trump (born June 14, 1946) is the 45th and current president of the United States. Before entering politics, he was a businessman and television personality. During his presidency, Trump ordered a travel ban on citizens from several Muslim-majority countries, citing security concerns; after legal challenges, the Supreme Court upheld the policy's third revision. Trump met three times with North Korea's leader Kim Jong-un, but talks on denuclearization broke down in 2019. In 1977, Trump married Czech model Ivana Zelníčková. They have three children, Donald Jr. (born 1977), Ivanka (born 1981), and Eric (born 1984), and ten grandchildren. Ivana became a naturalized United States citizen in 1988.