Jim Mackie originally served on the Panel of Mediators from 2002-2011, and, after retiring from work in the public sector was reappointed to the Panel of Mediators in August 2021. While serving on the Panel of Mediators, he has mediated over 150 cases covering all aspects of public sector employment. He has also served as a member of the Maine Workers Compensation Board and currently serves on the Board of Arbitration and Conciliation and Maine Labor Relations Board as an Alternate Employee Representative.