Michael C. Donilon is an American attorney and campaign consultant, widely recognized for his extensive advisory role to Joe Biden. He served as the chief strategist for Biden's 2020 presidential campaign and held the same capacity in the 2024 presidential campaign. During the first three years of Biden's presidency, Donilon was a senior advisor, and prior to that, he served as Counselor to Vice President Biden in the Obama administration from 2009 to 2013.