William (Rusty) Park is Professor of Law at Boston University. His practice and teaching focus on international financial and commercial transactions.

After studies at Yale and Columbia, Park practiced law in Paris for several years before returning home to Boston, where he teaches courses in tax, banking and international business transactions. He has served as Director of Boston University’s Center for Banking Law Studies and has held visiting academic appointments at the universities of Cambridge, Dijon, Hong Kong, Auckland and Geneva, as well as the Fletcher School of Law and Diplomacy.

Park's published work includes Arbitration of International Business Disputes, International Chamber of Commerce Arbitration (with Craig and Paulsson), International Commercial Arbitration (with Reisman, Craig and Paulsson), Income Tax Treaty Arbitration (with Tillinghast) and International Forum Selection, as well as articles on the legal and tax aspects of international business and finance.

Park is General Editor of Arbitration International. He has served as Arbitrator on the Claims Resolution Tribunal for Dormant Accounts in Switzerland and the Appeals Tribunal of the International Commission on Holocaust Era Insurance Claims, and currently sits on the NAFTA Chapter 14 Financial Services Roster.

He has served as arbitrator in ICC, AAA, LCIA, ICSID, IACAC, UNCITRAL and ad hoc proceedings, and arbitrates in French as well as English. Subject matters include joint ventures, insurance coverage, expropriation claims, corporate acquisitions, tax allocation, LNG price adjustment, pharmaceutical licenses, and loan agreements.

Park is a member of the International Council for Commercial Arbitration (ICCA) and the American Arbitration Association Board of Directors, and a Fellow of both the Chartered Institute of Arbitrators and the College of Commercial Arbitrators.

In 2008 the United States appointed Park to the Panel of Arbitrators for the International Centre for Settlement of Investment Disputes. In 2010 he took office as President of the London Court of International Arbitration.