[2] After law school, he clerked for Judge Betty Fletcher of the United States Court of Appeals for the Ninth Circuit from 1998 to 1999, and then for Associate Justice Ruth Bader Ginsburg of the Supreme Court of the United States from 2002 to 2003.
[3] Prior to entering academia, Morrison worked in the United States Department of Justice's Office of the Solicitor General as a Bristow Fellow, in the Department of Justice's Office of Legal Counsel and in private practice as an associate of Wilmer, Cutler & Pickering (now WilmerHale).
Morrison served as the Dean of New York University School of Law from 2013 to 2022.
Drawing on his experience as a lawyer within the Executive Branch, he has written about separation of powers,[6] the Office of Legal Counsel,[7] and issues of federalism.
[9] He was appointed by President Joe Biden to the Presidential Commission on the Supreme Court of the United States.