Keith Greenberg

AAA Arbitrator, Labor Arbitrator
North Bethesda, MD

Keith D. Greenberg is an arbitrator and mediator of private, public, and federal sector labor and employment disputes.  He is a member of the National Academy of Arbitrators (NAA), and serves on its Board of Governors.  He serves on a number of labor arbitration panels and rosters, including those maintained by the American Arbitration Association (AAA), the Federal Mediation and Conciliation Service (FMCS), the Labor Relations Connection, and the National Mediation Board.  Mr. Greenberg also serves on permanent labor arbitration panels, including in the federal and public sectors, and regularly adjudicates disputes involving EEO and unfair labor practice complaints.  Mr. Greenberg is listed on employment arbitration panels maintained and administered by the CPR Institute.


Mr. Greenberg is an experienced mediator, serving as a member of the AAA’s roster of employment mediators and its panel of labor mediators.  He also serves on the rosters of employment mediators for the United States Office of Congressional Workplace Rights; the United States Equal Employment Opportunity Commission’s RESOLVE internal ADR program; the United States Nuclear Regulatory Commission Early ADR Mediation Panel; the Cornell University Roster of Dispute Resolution Neutrals; the CPR Institute; and as a mediator for labor and employment cases in various Maryland Circuit Courts. 


Mr. Greenberg has experience with videoconference arbitration and mediation proceedings and has served as a trainer for video arbitration and mediation programs sponsored by, among others, the NAA, the FMCS, the Labor and Employment Relations Association (LERA), the AAA, and the American Bar Association (ABA)’s Section of Labor and Employment Law.  He serves as the Technology Coordinator for the NAA and is co-author of a chapter in Labor and Employment Arbitration (Bornstein, Gosline, Greenbaum, and Mayberry, Eds.) (Matthew Bender) on conducting video hearings.


Mr. Greenberg serves as a member of the NAA’s Board of Governors.  He is the Neutral Co-Chair of the Webinar Committee of the ABA’s Section of Labor and Employment Law and was elected a Fellow of the American Bar Foundation.  He serves as a Director of the NAA’s Research and Education Foundation.  Mr. Greenberg is a member of the Maryland, Philadelphia, and Virginia Chapters of LERA, and currently serves as President of Maryland LERA.  He currently serves as 2nd Vice President for the Society of Federal Labor and Employee Relations Professionals (SFLERP) following service on its Board of Directors.  He served as Co-Chair of the Steering Committee of the D.C. Bar’s Labor and Employment Law Community from 2016 to 2018.  Mr. Greenberg is an active member of the National Association of Railroad Referees, and of the Cornell ILR Alumni Association.  He is a member of the Cuban American Bar Association and is fluent in Spanish.


Mr. Greenberg has spoken and presented on numerous topics, including the use of technology in ADR, arbitrator ethics, issues arising in federal sector labor arbitration, current developments in labor and employment arbitration, advanced topics related to the FMLA and the FLSA, workplace gaming, issues in private sector labor relations, and advocate preparation for labor arbitration hearings.  He contributes to a number of publications by the ABA’s Section of Labor and Employment Law, and writes frequently on labor and employment and alternative dispute resolution topics.  Mr. Greenberg co-taught a seminar on workplace ADR in the fall of 2013 at the George Washington University Law School, and has served as a guest lecturer in courses on labor relations. 


Mr. Greenberg spent several years in practice as an attorney in New York City in the labor and employment practice group of Duane Morris LLP prior to establishing his practice as a full-time neutral in the Washington, D.C. area.  He is a graduate of the Cornell University School of Industrial and Labor Relations and of the University of Michigan Law School.