Joe Biden is the 46th President of the United States, serving since January 20, 2021. A member of the Democratic Party, he previously served as the 47th Vice President under President Barack Obama from 2009 to 2017. Before his vice presidency, Biden represented Delaware in the U.S. Senate from 1973 to 2009, becoming one of the youngest people ever elected to the Senate at age 29. Throughout his political career, he has focused on issues such as foreign policy, criminal justice reform, and healthcare.