Early life Sheehan was born in Glens Falls, New York, and grew up in Warrensburg, New York. He attended
Northeastern University before transferring to
Harvard College, graduating in 1967 with a degree in American Government Studies. He then attended
Harvard Law School, graduating in 1970 with a Juris Doctor degree. He was briefly a member of the Army's
ROTC program at Northeastern University, but resigned after questioning the sanity of the instructors. He claims he was told that he might have to kill non-combatants in Vietnam.
Career Over his career, Sheehan has participated in numerous legal cases of public interest, including the
Pentagon Papers case, the Watergate Break-In case, the
Silkwood case, the
Greensboro massacre case, the
La Penca bombing case and others. He established the
Christic Institute and the
Romero Institute, two non-profit public policy centers. Since 2015 Sheehan has lectured on American history, politics and the
assassination of John F. Kennedy at the
University of California, Santa Cruz. Sheehan is currently Chief Counsel of the Romero Institute, where his focus is the Lakota People's Law Project. Sheehan and The Lakota People's Law Project participated in legal cases related to the
Dakota Access Pipeline protests. In 2013 Sheehan published ''Daniel Sheehan: The People's Advocate'', a memoir, through
Counterpoint Publishing. At one time, Sheehan was legal counsel to the Jesuit U.S. national headquarters in Washington, D.C. ==
Avirgan v. Hull==