Massachusetts Collaborative Law Council (founding member)
Association for Conflict Resolution
American, Massachusetts, and Boston Bar Associations
Massachusetts Council on Family Mediation, Inc.
Distinguished Fellow, International Academy of Mediators
Past Chair, ADR Committee, Boston Bar Association Litigation Section
Past President: Association for Conflict Resolution, New England Chapter
Past Chair: American Bar Association Section of Dispute Resolution
Co-chair, Collaborative Law Committee of the ABA Section of Dispute Resolution