Brian H. Sullivan
Senior Partner

Office: 617-523-6010
Direct: 857-321-7085
Fax: 617-227-0927

Brian is a senior partner at Sloane and Walsh whose practice concentrates on professional liability defense litigation and employment law in state and Federal Court and before administrative agencies, and his experience includes multiple successful jury trials to verdict in both civil and criminal matters.

Prior to joining Sloane and Walsh, LLP, in 2001, Mr. Sullivan served in the U.S. Navy, primarily as a criminal defense lawyer representing military personnel in Courts-Martial in Groton CT and in Sicily, Italy. Mr. Sullivan remained affiliated with the military as a reserve officer, teaching trial practice and international law at the Naval Justice School and the Defense Institute for International Legal Studies. He retired in 2010 from the U.S. Navy Judge Advocate General’s Corps as a Commander. Before law school Mr. Sullivan was stationed on USS Kauffman as a Surface Warfare Officer, and deployed to the Baltic Sea, the Caribbean, and to the Persian Gulf in 1991.

  • Professional Liability Defense
  • Medical Malpractice Defense
  • Employment Law Defense
  • Appellate Practice
  • Complex Civil & Business Litigation
  • Nursing Home Defense
  • Massachusetts
  • New Hampshire

Boston College Law School, Newton, Massachusetts
J.D. (Cum Laude) – 1995

University of Maine
B.A. – 1989
Major: German


  • Associate, American Board of Trial Advocates.
  • New England SuperLawyer, 2013
  • Boston Magazine List of Top Lawyers 2022


  • Massachusetts Defense Lawyers Association
  • Massachusetts Bar Association
  • Massachusetts Defense Lawyers Association, Young Lawyers Division, “How to Survive and Thrive as a New Associate,” October 24, 2012
  • Massachusetts Medical Society (Massachusetts Academy of Dermatology Business Meeting), Medical Malpractice Litigation Seminar, April 13, 2011
  • North Shore Medical Center Emergency Department Grand Rounds, Civil Litigation for the Medical Professional, November 19, 2009
  • Risk Management Foundation, What Works: Reducing Diagnostic Error (Overview of Massachusetts Medical Malpractice Law), June 4-5, 2007

Carey v. New England Organ Bank, 446 Mass. 270, 843 N.E.2d 1070 (2006)


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