Seton Hartnett O’Brien is a litigation associate in the New York office of Gibson, Dunn & Crutcher.

Ms. O’Brien received her Juris Doctor in 2017 from Harvard Law School. She received her Bachelor of Arts degree, magna cum laude, from the College of the Holy Cross in 2014, where she was elected to Phi Beta Kappa.

From 2017 to 2018, Ms. O’Brien served as law clerk to the Honorable Katharine S. Hayden of the United States District Court for the District of New Jersey. From 2018 to 2019, she served as law clerk to the Honorable Michael A. Chagares of the United States Court of Appeals for the Third Circuit.

Ms. O’Brien is admitted to practice in the State of New York, the State of New Jersey, and the United States Court of Appeals for the Third Circuit.