Mary I. Slonina
Managing Director, Washington National Tax
Mary is a Managing Director in the Practice, Procedure, and Administration group group for the KPMG Washington National Tax practice. Mary assists clients in addressing challenging IRS administrative and procedural issues and resolving complex IRS controversies. She represents clients before the IRS Large Business and International (LB&I) division, as well as the Independent Office of Appeals and IRS Chief Counsel.
Prior to joining KPMG, Mary was a director at another Big Four accounting firm. Mary started her career as an attorney with the IRS Office of Associate Chief Counsel (Procedure and Administration). Mary is a director on the Council of Directors of the Tax Section of the American Bar Association and also services as the Section’s liaison to the American Institute of Certified Public Accountants; she is a past Chair of the Administrative Practice Committee for the Section. Additionally, Mary is active in the Federal Bar Association Section of Taxation.. Mary received her B.A. degree from The College of William and Mary and her J.D. from Case Western Reserve University School of Law.