Harvard Kennedy School. Harvard University.
From 1975 to 1983, O'Neill served as Lieutenant Governor of the Commonwealth of Massachusetts. During his term of office, O'Neill created and administered the Office of Federal-State Relations in Boston and Washington, D.C. During this time he also served on the U.S. State Department Ambassadorial Screening Committee.
O'Neill is known for his work on behalf of the Big Dig, a project with which his father was instrumentally involved. O'Neill sits on the Board of Trustees for Boston College and chairs the Board of Trustees of Cristo Rey Boston High School, having graduated from both. He is on the board of Catholic Democrats, a national advocacy organization dealing with faith and politics.
O'Neill received his bachelor’s degree from Boston College and earned his Master of Public Administration from Harvard University’s John F. Kennedy School of Government.
Prior to becoming lieutenant governor, O’Neill served as a member of the Massachusetts House of Representatives.