Tasmin Parzen

Tamsin Parzen is Senior Counsel Litigation at Ernst & Young LLP. Prior to joining Ernst & Young in June 2026, Tamsin was a senior associate in the international arbitration group of WilmerHale LLP. She started her career as an associate at King & Spalding LLP, where she also specialized in international arbitration.

Tamsin received her JD from Harvard Law School in 2020 and her BA in History and Romance Languages and Literature from the University of Chicago in 2015, where she was Phi Beta Kappa. She is a member of the New York, Massachusetts, and Illinois state bars.