William A. Drennan II, Esq.

Associate Professor of Law
Southern Illinois University School of Law
William Drennan joined the Southern Illinois University School of Law faculty on a full-time basis in 2005, after teaching as an adjunct in 2004. He teaches federal income tax, business tax, trusts and estates, basic estate planning, and charities and charitable giving. He researches and writes in the areas of taxation and intellectual property. Prior to joining the faculty, William was in private practice for twenty years with a major St. Louis law firm, specializing in taxation, estate planning, nonqualified deferred compensation, and nonprofit organizations.

Mr. Drennan is a member of the American Law Institute, a fellow of the American College of Tax Counsel, and a fellow of the American College of Trust and Estate Counsel. His articles have been published in the Alabama Law Review, Florida Law Review, Tennessee Law Review, Oklahoma Law Review, Utah Law Review, Miami Law Review, Arkansas Law Review, University of Toledo Law Review, Vermont Law Review, Florida Tax Review, and Virginia Tax Review. Mr. Drennan also taught in the LL.M. in Tax Program at Washington University in St. Louis from 1996 to 2000, as an adjunct professor. Mr. Drennan is a Certified Public Accountant.

LL.M. (Executive), New York University School of Law (2013)
LL.M., Intellectual Property, Washington University (2003)
LL.M., Taxation, Washington University (1997)
J.D., St. Louis University Law School (1985) magna cum laude 
B.A., Accounting, St. Louis

Bloomberg BNA Tax Management Portfolios:
808: T.M., Estate Planning for the Corporate Executive (co-author)
618 T.M., Tax Planning Patents (co-author)