Eileen O'Connor '78
Partner - Pillsbury, Winthrop, Shaw, Pittman LLP
Former Assistant Attorney General, Tax Division, United States Department of Justice


I'll aways be grateful to Catholic University's Columbus School of Law for enabling me to get a great legal education in the evenings while I worked full-time as a CPA and IRS National Office corporate tax law specialist during the day."

She joined Pillsbury in July 2007 after serving for six years as the Assistant Attorney General for the Tax Division of the United States Department of Justice. While at the Department of Justice, she was a member of the President's Corporate Fraud Task Force. As Assistant Attorney General, Ms. O'Connor headed a division of more than 600 people, including 350 attorneys, and was in charge of all United States civil and criminal tax trials and appeals. Ms. O’Connor has presented oral arguments in the United States Supreme Court and in the United States Courts of Appeals. She has taught in the graduate tax law program of Georgetown University School of Law, and was Distinguished Adjunct Professor of Tax Policy at the George Mason University School of Law, and has long been a frequent speaker at bar conferences and business seminars.



  • J.D., Catholic University of America, Columbus School of Law
  • B.S.B.A., Columbus State University


  • Legal 500 US, Tax Controversy (2011-2012)
  • Nation's Top 50 IRS Representation Practitioners, CPA Magazine (2008)
  • Washington's Top Lawyers, Tax, Washingtonian (2007)
  • Edmund J. Randolph Award for Outstanding Service, U.S. Department of Justice


  • Chairman, Administrative Law Group of the Federalist Society for Law and Public Policy Studies
  • Advisory Council, Republican National Lawyers Association
  • Fellow, American College of Tax Counsel
  • Member, National Association of Former United States Attorneys
  • Member, American, Federal and District of Columbia Bar Associations
  • Former member, Tax Executive Committee, American Institute of Certified Public Accountants

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