Based in the firm's New York City office, Sullivan chairs its national appellate practice group.

[2] Born in Sault Sainte Marie, Michigan, and raised on Long Island, New York, Sullivan graduated from Cold Spring Harbor High School in 1972.

She then became a Marshall Scholar at Wadham College, Oxford, and graduated in 1978 with a degree in philosophy, politics and economics.

[5] Following her clerkship, Sullivan elected against joining a large law firm, and instead returned to Cambridge, Massachusetts, as a litigation associate in Tribe's private appellate practice.

[15] While Stanford's Dean, Sullivan maintained a pro bono constitutional law practice.

[6] Cases she won before the U.S. Supreme Court include: Bruesewitz v. Wyeth, Kiobel v. Royal Dutch Petroleum Co., and Granholm v. Heald (which struck down state prohibition of interstate wine shipping).