Jeffrey Dorfman is a managing director in the International Tax Services group at PwC where he provides advice on foreign currency and other financial products issues.  Prior to joining PWC, Jeff was the Chief of Branch 5 in the Office of the Associate Chief Counsel (International) for over twenty years.  Jeff is also the one of the principal authors of the section 988 regulations, the 2006 proposed section 987 regulations and the §1.985-8 regulations regarding transition to the euro, among other things.