Shearman And Sterling

Casey Determan is an associate in the Litigation practice. His practice focuses on advising clients on U.S. economic sanctions, antitrust, and securities laws and regulations. Casey has experience working on securities class actions, government and internal investigations, and complex commercial litigation matters.

Prior to joining Shearman, Casey advised federal government clients on policy and strategy. He has helped private sector clients understand the evolving security landscape and navigate federal markets. Casey also served as a legislative aide focused on homeland security issues.

Practices

Regional Experience