The Yale College Class Day exercises feature an address by Ambassador Samantha Power, permanent representative to the United Nations and a member of President Obama's Cabinet, on Sunday, May 22, 2016.

Yale President, Peter Salovey, addresses the graduating class of 2014 at the Yale College Baccalaureate Ceremony on May 18, 2014.

The Yale College Class Day exercises featured an address by John Kerry '66, U.S. Secretary of State, on Sunday, May 18, 2014.

Yale President, Richard Levin, and Yale College Dean, Mary Miller, address the graduating seniors at the Yale College Class of 2013 Baccalaureate Ceremony on May 19th, 2013.

Newark mayor Cory Booker, LAW '97, addresses the Yale Class of 2013 during the traditional Class Day speech on May 19th 2013.

Tom Hanks, Academy Award-winning actor, writer and director, addresses the Yale College Class of 2011 during the traditional Class Day speech and offers the graduates insight and encouragement.

Yale President, Richard Levin, speaks to the Yale College Class of 2011 in his Baccalaureate address.

The Yale College Class of 2010 Baccalaureate Ceremony took place in Woolsey Hall on May 22nd, 2010. Yale President, Richard C. Levin, and Yale College Dean, Mary Miller, address the graduating seniors.

The 2007 Baccalaureate service, recorded in Woolsey Hall, features addresses by Yale College Dean Peter Salovey and Yale University President Richard C. Levin.

Christopher Buckley ('75), the author and political satirist, addresses the Yale College Class of 2009 in this Class Day speech.

Former U.S. President Bill Clinton, Founder of the William J. Clinton Foundation and 42nd President of the United States, speaks at Yale University's 2010 Class Day.

Tony Blair, the former British Prime Minister, delivers the featured speech at Yale College's 2008 Class Day.

Richard C. Levin, President of Yale University, delivers his 2008 Baccalaureate address on the idea of Global Citizenship.