Ta-Chen Chen is an S.J.D. candidate at the George Washington University Law School, where he focuses on the law of the sea and national security policies. His scholarship explores how international law defines and responds to gray zone activities. Before joining DSET, he was a staff member at the Taiwan National Security Council. He holds an LL.M. degree in National Security Law from the Georgetown University Law Center and an LL.M. degree from National Taiwan University College of Law.