David A. Hoffman

John H. Watson, Jr. Lecturer on Law


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Assistant: Caryn May / 617-495-9200



Since 2008, David has taught the Mediation course at Harvard Law School.  He also teaches courses on Legal Profession: Collaborative Law and Diversity and Dispute Resolution.  David is also on the faculty of the Harvard Negotiation Institute, teaching a five-day advanced mediation skills course for the Program on Negotiation at Harvard Law School.  Before teaching at HLS, he was an Adjunct Professor at Northeastern University School of Law (teaching Alternative Dispute Resolution and Negotiation).  He has also been the lead trainer in several mediation trainings for the American Bar Association.

Law and Dispute Resolution Practice

David is the founding partner of Boston Law Collaborative, LLC (“BLC”), where he serves as a mediator, arbitrator, and attorney.  Prior to founding BLC, he was a litigation partner at the Boston law firm Hill & Barlow, where he practiced for 17 years and chaired the Alternative Dispute Resolution Practice Group.  David also served for a year as staff counsel for the ACLU of Massachusetts.

David mediates and arbitrates cases at BLC ranging from business, employment, construction, intellectual property, and professional liability to divorce and other family-related disputes.  BLC is a multi-disciplinary practice that includes lawyers, mediators, mental health professionals, and a financial professional.  BLC is the winner of two national awards – the American Bar Association’s “Lawyer as Problem Solver Award” (2009), and the International Institute for Conflict Prevention and Resolution “Law Firm Award for Excellence in ADR” (2010).

David is past chair of the ABA Section of Dispute Resolution, and currently co-chairs the Ethics Subcommittee of the Section’s Collaborative Law Committee.  He is a Distinguished Fellow of the International Academy of Mediators.  He has received a Lifetime Achievement Award from the American College of Civil Trial Mediators, and the ABA Section of Dispute Resolution gave him its D’Alemberte-Raven Award, the Section’s highest honor.

David is listed in the book “The Best Lawyers in America” in five categories (Mediation, Arbitration, Collaborative Law – Civil, Collaborative Law - Family, and Family Law Mediation).  He has been listed in Boston Magazine's Super Lawyers Directory each year since the listing began.


David is a graduate of Princeton University (A.B. 1970, summa cum laude), Cornell University (M.A. 1974, American Studies, all but dissertation completed toward Ph.D.), and Harvard Law School (J.D. 1984, magna cum laude), where he was an editor of the Harvard Law Review.  He clerked on the U.S. Court of Appeals for the First Circuit for Hon. Stephen G. Breyer.


David lives in Acton, Massachusetts. He has three children.

Areas of Interest

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Assistant: Caryn May / 617-495-9200