Former Vice President Joe Biden will speak at Colby’s commencement ceremony on May 21, the college announced on Monday. Colby will also issue Biden an honorary doctorate.

The event will begin at 10 a.m. and is open to the public.

Biden was first elected U.S. Senator from Delaware in 1972, an office he held until he became vice president under Barack Obama in 2009. In January, he was awarded a presidential medal of freedom, the nation’s highest civilian honor. Since leaving office, he has been announced as leader of two academic centers, the Penn Biden Center for Diplomacy and Global Engagement at the University of Pennsylvania and the Biden Domestic Policy Institute at the University of Delaware.

Biden will also address graduating students at Cornell University, Harvard University and Morgan State University in May.