David Kantrowitz is a counsel in the firm's Litigation Department and a member of the firm’s Financial Industry and Privacy & Cybersecurity groups. Mr. Kantrowitz advises on the full spectrum of privacy and data security matters, including incident response and investigations, M&A diligence and deal support, regulatory counseling, cyber insurance, and litigation. Mr. Kantrowitz is recognized by Legal 500 as a “Next Generation” Cyber Law attorney and is designated as a Certified Information Privacy Professional (CIPP/US) by the International Association of Privacy Professionals.

Areas of Practice
Domaines D’Expertise





Mr. Kantrowitz advises clients on privacy and cybersecurity matters in a variety of industries, including healthcare, technology and the cloud, and financial services. He has advised on complex and high-profile data breaches across the country, and counsels clients on incident response strategy, crisis management, and legal and regulatory obligations. Mr. Kantrowitz has represented companies in regulatory investigations including by the U.S. Department of Health and Human Services Office of Civil Rights, the Federal Trade Commission, and by state attorneys general. He regularly advises companies both public and private on their privacy and data security policies and practices and on the risks and benefits of business decisions, from both regulatory and risk management perspectives. Mr. Kantrowitz stands out for his practical, actionable advice that guides companies through some of their most pressing and difficult problems.

Mr. Kantrowitz also maintains an active pro bono practice, including representing a group of 22 Massachusetts prisoners in a suit alleging prison abuse, leading to a successful settlement.

Professional Activities

Mr. Kantrowitz is a member of the Boston Bar Association.


Mr. Kantrowitz has been recognized by Legal 500 as a “Next Generation” Cyber Law attorney. While attending law school, Mr. Kantrowitz was an Articles Editor for the Boston University Law Review. He was also a G. Joseph Tauro Distinguished Scholar and Edward F. Hennessey Scholar.

In The News









J.D., 2009
Boston University School of Law

(magna cum laude)

B.A., 2006
University of Pittsburgh

(magna cum laude)


Massachusetts Appeals Court, Honorable Gabrielle R. Wolohojian





U.S. District Court for the District of Massachusetts
U.S. Court of Appeals for the First Circuit
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Our clients rely on us for world-class advisory services, counsel on complex transactional work and high-stakes litigation. Specializing in matters involving the financial, life sciences, private equity, real estate, and technology industries, we use a collaborative, cross-disciplinary approach to resolve our clients’ most challenging issues. To find out more, please contact us.

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Nos équipes interviennent aux côtés de nos clients, industriels, fonds d’investissement, startups, institutions financières et dirigeants, dans le cadre de transactions et de contentieux complexes, et apportent des conseils de tout premier plan dans les secteurs financiers, des Sciences de la Vie, du Private Equity, de l’immobilier et des technologies. Nous traitons les dossiers juridiques de manière intègre, ingénieuse, souple et audacieuse pour répondre efficacement aux enjeux propres à chacun de nos clients, quels que soient la taille de l’opération et le secteur d’activité. Pour en savoir plus, contactez-nous.


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