Arnold Zack

Boston, MA


Full-time arbitrator and mediator in public and private sector disputes, in practice since 1960. President of the Administrative Tribunal for Asian Development Bank (Judge since 2004). Faculty of the Labor and Worklife Program (formerly known as Trade Union Program) at Harvard Law School.


For four decades, have served as an arbitrator and mediator of labor and employment interest and rights disputes including membership on four Presidential Emergency Boards (chair of two).  Have arbitrated more than 5,000 cases and mediated hundreds.  Handled disputes involving terms of service, wages, hours, discipline, discharge, pension, retirement, seniority, job elegibility and qualification, promotion, demotion, and legal issues.  Those disputes have involved federal and state agencies and employees, airline, railroad, electrical, retail, paper, steel, aluminum, textile, hotel bus, shipping, and mining and minerals.  The range of amounts in dispute have been as high as $40 billion involving interest arbitration of US Postal Service Collective Bargaining Agreements.


Tufts College (BA, cum laude-1953); Yale University, School of Law (LLB-1956); Harvard University, Kennedy School of Government (MPA, International Economics-1961).


  • This faculty member is not approved for any courses