Michael C. Donilon is an American attorney and campaign consultant who is a longtime advisor to U.S. President Joe Biden. He was the chief strategist of Biden's 2020 presidential campaign and currently serves in the same capacity in the 2024 presidential campaign. He was a senior advisor to Biden during the first three years of his presidency. Prior, Donilon was working as a partner at AKPD Message and Media. Between 2009 and 2013, he served as Counselor to Vice President Biden in the Obama administration. Prior to his White House appointment, Donilon worked with the vice-presidential candidate to help him prepare for the debates and also as a traveling advisor.

Joe Biden, the 46th and current president of the United States, announced his candidacy for re-election for a second and final term as president on April 25, 2023, with Vice President Kamala Harris as his running mate. If re-elected, he would be the oldest president inaugurated, breaking his own record, and he would be the second two-term vice president to be elected president twice, after Richard Nixon in 1972.