ROBERT MACKENZIE, J.D.

Partner

Arnstein & Lehr, LLP

Robert E. McKenzie of the law firm of Arnstein & Lehr LLP of Chicago, Illinois, concentrates his practice in representation before the Internal Revenue Service and state tax agencies. He previously served as a member of the IRS Advisory Council (IRSAC) which is a group appointed by the IRS Commissioner from 2009 to 2011.