William L. Blum

William L. Blum is a tax and business lawyer with substantial expertise in international business taxation. His practice emphasizes domestic and offshore tax matters and structures, tax opinions, tax controversies, corporate law matters,estate and asset protection planning,and matters involving the United States territories. He is a regular speaker on tax issues at various conferences in the United States, the Caribbean, and elsewhere, including those sponsored by the Center for International Legal Studies. Prior to commencing his private practice, Bill served as counsel to the Governor of the United States Virgin Islands. He is the draftsman of that jurisdiction's foreign sales corporation and exempt company laws, as well as the first set of regulations governing the Virgin Islands Economic Development Commission tax program. He is the foremost expert on the utilization of the U.S. Virgin Islands as a tax haven for non-U.S. persons and he regularly advises U.S. persons who wish to take advantage of U.S. Virgin Islands and Puerto Rico tax exemptions. He is also the author of several articles on U.S., U.S. Virgin Islands, and Puerto Rico tax matters published by CCH, BNA, Euromoney Publications, and others. From 2004-2007, Bill served as the president of Interlegal, an international network of law firms with members in over 40 countries.

Primary Areas of Practice


  • New York University School of Law, LL.M. (Taxation)
  • Boston University School of Law, J.D.
  • Massachusetts Institute of Technology, S.B.

Selected Bar Admissions

  • New York
  • U.S. Virgin Islands
  • New Jersey
  • Pennsylvania
  • Colorado
  • Guam
  • High Court of the Marshall Islands
  • United States Supreme Court
  • United States Tax Court