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David A. Hoffman, Mediator & Arbitrator, Boston, Massachusetts.

David A. Hoffman

Boston Law Collaborative, LLC
101 Arch Street
8th Floor
Boston, MA, 02110
Tel: (617) 439-4700
Fax: (617) 439-0700
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Recognized to Massachusetts Chapter for Mediation & Arbitration Other ADR Services: ADR Training/CME, Discovery Referee, Early Neutral Evaluation, Facilitation & Systems Design, Fact Finding, Insurance Umpire, Med-Arb, Mini-Trial Judge, Special Master
  • Practice Commenced: 1991
  • Total Mediations (as of Nov 2019): 1
  • Total Arbitrations (as of Nov 2019): 300
Practice Percentages


David Hoffman is an attorney, mediator, and arbitrator and the Founding Member of Boston Law Collaborative, LLC (, formed in 2003. He teaches courses on Mediation, Legal Profession:Collaborative Law, and Diversity and Dispute Resolution at Harvard Law School, where he is the John H. Watson, Jr. Lecturer on Law.

David’s practice is concentrated in dispute resolution, in which he serves as a mediator or arbitrator in a wide range of subjects (commercial, family, employment, construction, personal injury, product liability, professional malpractice, insurance, intellectual property, probate, and other matters), and representing clients in family law, business, and employment cases in negotiations andin Collaborative Law process cases.As a mediator and arbitrator, he has settled well over 1000 cases. David also serves as a case evaluator, master, discovery master, and parenting coordinator.

David graduated from Princeton in 1970, summa cum laude, and graduated from Cornell in 1974 with an M.A. in American Studies (all but dissertation completed toward Ph.D.).

In 1974, he founded “Knock on Wood,” a cottage-industry business that he sold in 1980, so that he could go to law school.  During the six-month interval between selling his business and the start of law school, David served as a consultant for the U.S. Small Business Administration, where he advised retail stores, restaurants, and other businesses.

At Harvard Law School, David was an editor of the Harvard Law Review, an instructor in the school’s Legal Methods course, and a research assistant for Prof. Laurence Tribe.  He graduated magna cum laude in 1984 and spent the following year as a law clerk for the Hon. Stephen Breyer in the U.S. Circuit Court of Appeals.

David then joined a Boston law firm, Hill & Barlow, where he was a litigator for 17 years.  In 1988-89, David took a one-year leave of absence to serve as staff attorney for the ACLU.  In 2000, David took a six-month sabbatical, so that he and his son could hike the Appalachian Trail from Maine to Georgia.

In 2003, David established BLC, which provides multidisciplinary services (including lawyers, mediators, arbitrators, and mental health professionals).  BLC has won the Lawyer as Problem Solver Award from the American Bar Association.

In 2008, David was asked to teach the Mediation course at Harvard Law School.  He now teaches two additional courses there: Legal Profession: Collaborative Law and Diversity and Dispute Resolution.  David also teaches the five-day Advanced Mediation Training for the Program on Negotiation at Harvard Law School.

David has published three books – “Bringing Peace into the Room” (2003, with co-editor Daniel Bowling); “Massachusetts Alternative Dispute Resolution” (1994, with co-author David Matz); and “Mediation: A Practice Guide for Mediators, Lawyers, and Other Professionals” (2013) – and numerous articles and book chapters on dispute resolution.

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 named a Massachusetts ‘Super Lawyer’ each year since the listing began.  In 2014 he received the Lifetime Achievement Award from the American College of Civil Trial Mediators, and in 2015 the highest award given by the ABA Section of Dispute Resolution, the D’Alemberte-Raven Award for service in dispute resolution.  In 2018, he received the inaugural Frank E.A. Sander Award in Dispute Resolution from the Massachusetts Bar Association.

In 2016, David was invited to give a TEDx talk on peacemaking:

David lives in a cohousing community in Acton, Massachusetts (  He has three adult children and an adolescent cat.

Case Experience

  • ADA Disability
  • Agricultural
  • Anti-Trust
  • Appellate
  • Automotive
  • Banking & Finance
  • Business Dissolution
  • Civil Rights
  • Commercial/Business
  • Condominiums
  • Construction
  • Contract Disputes
  • Cross Cultural
  • Discrimination
  • Divorce (High Asset)
  • EEOC
  • Employment
  • Environmental
  • Family Businesses
  • Insurance
  • Intellectual Property
  • Land Use/Planning
  • Landlord/Tenant
  • Legal Malpractice
  • Libel & Slander
  • Medical Malpractice
  • Mergers & Acquisitions
  • Mortgage Foreclosure
  • Non-profit Organizations
  • Nursing Homes
  • Partnerships
  • Personal Injury
  • Premises Liability
  • Probate
  • Product Liability
  • Professional Fees
  • Professional Liability
  • Professional Malpractice
  • Professional Negligence
  • Real Estate
  • Software
  • Torts
  • Trademarks/Patents
  • Trusts / Estates
  • Wage & Hour/FMLA
  • Wrongful Death


  • B.A., Princeton, 1970 (summa cum laude)
  • M.A., Cornell, 1974 (American Studies)
  • J.D., Harvard, 1984 (magna cum laude)

Memberships & Affiliations

  • International Academy of Mediators (Distinguished Neutral)
  • American Bar Association (former chair of Section of Dispute Resolution)
  • Massachusetts Bar Association (former chair of Section of Civil Rights and Social Justice)
  • Boston Bar Association (former chair of ADR Committee)
  • Massachusetts Council on Family Mediation (member of Credentialing Committee)
  • Massachusetts Collaborative Law Council (founding member, former Board Member)
  • International Academy of Collaborative Professionals (member of Diversity Committee; former member of Ethics Task Force)
  • Association for Conflict Resolution (former Massachusetts Chapter President)
  • Community Dispute Settlement Center, Cambridge, MA (trainer)
  • Harvard Mediation Program, Harvard Law School, Cambridge, MA (Advisory Committee member)
  • The Mediation Group, Brookline, MA (panel member)

Rates Information

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