Bill served as tax legislative counsel at the U.S. Treasury Department from 1981 to 1983. He is a member of the American Law Institute, the American College of Tax Counsel and the National Institute for Tax Professionals.
Bill was a law professor at the University of Virginia School of Law from 1969 to 1981. He also was a visiting professor in the Graduate Tax Program at New York University School of Law from 1975 to 1977.
Bill is co-author of the treatise Federal Taxation of Partnerships and Partners (Warren, Gorham & Lamont, 4th edition, 2007) and also co-authored Structuring and Drafting Partnership Agreements: Including LLC Agreements (Warren, Gorham & Lamont, 3rd edition, 2003). He is a frequent speaker at seminars across the United States on the subject of partnership taxation and has written numerous articles. Ranked in Band 1 by Chambers USA, Bill is described as “a pre-eminent expert in the tax field” and “simply unparalleled in partnership taxation.” Clients praise Bill as a “clear thinker and an excellent communicator” who is client-focused and has “extraordinary technical tax expertise.” Bill has repeatedly been named a leading lawyer in the publication as well as in Chambers Global.
A graduate of Harvard Law School, he was an editor of the Harvard Law Review.