Mr. Kantor is a former Member of the American Arbitration Association Board of Directors (2010-2016) and Council (2016-2021), former Chair and Vice Chair of the DC Bar International Dispute Resolution and International Investment Committees, and a Chartered Arbitrator of The Chartered Institute of Arbitrators. He is honoured in Who’s Who in America; Who’s Who in the World; Who’s Who in American Law; International Who’s Who, Commercial Arbitration; Lifetime Achievement Award from Marquis Who’s Who; Chambers USA, International Arbitrators; Best Lawyers in America (International Arbitration; Washington, D.C.); Super Lawyers; U.S. News & World Report, Tier 1 International Arbitration; Best Lawyers 2013 Washington DC International Arbitration - Governmental "Lawyer of the Year." Recipient, ArbitralWomen Honorable Man Award (2011). Among other publications, he is the author of Valuation for Arbitration: Compensation Standards, Valuation Methods and Expert Evidence (Kluwer 2008).