Sion Park is a Research Assistant at the Cambridge Negotiation Institute, where she writes negotiation simulations and conducts research on negotiation ethics. Her interests lie in dispute systems design, with a focus on U.S. litigation and settlement processes.

She holds an M.A. in Human Rights Studies from Columbia University and a B.H.A. in Social & Political History from Carnegie Mellon University. During her graduate studies, she served as a Research Assistant at Columbia Law School's Center for Korean Legal Studies, where she contributed to research on inter-Korean dispute resolution and on the maritime laws of African coastal states under Professor Jeong-Ho Roh.

Sion has previously served as a Research Assistant at Seoul National University, contributing to the Institute for Peace and Unification Studies (IPUS) on inter-Korean relations and to the Global Development Institute (GDI) on comparative governance and policy. She has also worked as a paralegal at DLA Piper, supporting cross-border contracts and EU data protection matters. Sion will join Wilson Sonsini Goodrich & Rosati as a paralegal in October 2026.