Posner, Alan Headshot

Alan K. Posner

Of Counsel


For more than thirty years, Alan Posner has advised clients confronted with a legal crisis of one kind or another.

  • Represents clients in complex divorce and probate matters, including large assets and complicated financial, legal, and custodial issues
  • Recently successfully defended a contract civilian psychologist in a professional disciplinary proceeding before a military tribunal under military rules and regulations
  • Served as lead counsel for a large multi-national corporation in an arbitration relating to the construction and operation of a major power plant, including complex construction, contract warranty, and equipment issues
  • Represented a large medical practice in a dispute with the managing partner of the practice relating to lease payments involving hundreds of thousands of dollars. After a lengthy jury trial, a major award was made to our clients, which was then upheld by the Supreme Judicial Court
  • Counseled six municipal light departments in multimillion litigation relating to contracts for the purchase of power from the Seabrook Nuclear Power Plant.
  • Represents physicians in lengthy disciplinary hearings both at hospitals and at the Massachusetts Board of Registry in Medicine

Recognition and Awards

  • Listed, The Best Lawyers in America®, 2008-2021
    • Commercial Litigation
    • Family Law
  • Martindale-Hubbell® – Rated AV Preeminent 2002-Present
  • Selected, Massachusetts Super Lawyers List, 2014, 2015, 2017
  • Recognized, The Boston Globe – one of Boston’s Top Lawyers (2012)

Professional and Community Involvement

  • Former Chair and Member of the Board of Directors, Riverside Community Care, which provides services to over 10,000 clients with mental health and developmental issues – Currently serves on various committees
  • Former Massachusetts Assistant Attorney General
  • Former Counsel, Massachusetts Executive Office of Administration and Finance
  • Former Chair, Litigation department
  • Former member, Firm Executive Committee