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Meet the Arbitrators

Our programs feature regional arbitration experts with cutting-edge knowledge in their field. Select from the list below to learn more about our distinguished instructors.

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Walt De Treux, Arbitrator

Walt De Treux

Arbitrator Since: 1999

Walt De Treux has been a labor and employment arbitrator and mediator since 1999 and a member of the National Academy of Arbitrators since 2007. He serves on the NAA Board of Governors and formerly served as National Coordinator of Regional Activities and the Managing Editor of the Academy's newsmagazine, The Chronicle.

In addition to his panel listings (AAA, FMCS, Pa. Bureau of Mediation, NJ PERC, National Mediation Board), Walt serves as a permanent arbitrator for Association of PA Colleges and Universities Faculties and PA State System of Higher Education: Montgomery County MD Government and Montgomery County FOP Disability Panel (Chair); AFSCME Local 1730 and Special People in the Northeast; NJ PERC Special Disciplinary Panel for Police and Fire; Communication Workers of America and Verizon Pennsylvania, Inc. and Verizon Delaware, Inc. Special Mediation Panel; Commonwealth of Pennsylvania and the Pa. State Corrections Officers Association; Lower Merion Township Police Heart & Lung Panel; and AFSCME and Berks County Heart & Lung Panel. He also serves on the AAA Employment Panel. Walt develops and conducts extensive training for advocates and arbitrators.

Walt has been working in the labor and employment field since 1982, previously serving as counsel to the Pennsylvania Conference of Teamsters and its subordinate bodies. He has also worked in legal and leadership positions with the Pennsylvania State Senate Appropriations Committee and Philadelphia City Council. He is a graduate of Pennsylvania State University (B.A., Labor Studies, 1983) and Temple University School of Law (J.D. 1987).

Walt is an active volunteer with St. Christopher Parish and the Support Center for Child Advocates, and he coaches high school baseball. He lives in the Somerton section of Philadelphia with his wife, Maryann, and their four children.

Walt De Treux has served as a labor and employment arbitrator and mediator since 1999. He has been active in the labor-management field since 1982. He is a graduate of Penn State University and Temple University Law School. Walt’s mediation and arbitration practice spans across many industries in the public and private sectors and includes both interest and grievance arbitration and mediation. He has served as Neutral Chairman for numerous interest arbitrations, including the PA State Corrections Officer and the Commonwealth of Pennsylvania and police and fire bargaining units in the cities of Easton, Reading, Lancaster, and many other Pennsylvania municipalities. Walt has also mediated settlements in contract negotiations, including the current agreement between the Montgomery County MD FOP and Montgomery County MD government. He has presided over grievance arbitrations for unions and employers in virtually every industry. Walt is a member of the National Academy of Arbitrators, and he coordinates its national and regional advocate and new arbitrator education initiatives. Walt serves as an adjunct faculty member for Penn State’s World Campus program. Away from work, Walt coaches baseball at the high school and CYO level. He resides in the Somerton section of Philadelphia with his wife and four children.