John Carl "J.C." Zwisler

Richard E. Heifetz is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Defendants. Richard E., who practices law in Boston, Massachusetts, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Richard E. is held by other top lawyers in the same geographic and legal practice area.

Matthew J. Connolly is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Matthew J., who practices law in Boston, Massachusetts, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew J. is held by other top lawyers in the same geographic and legal practice area.

Lisa specializes in estate planning and estate administration, as well as estate, gift and generation-skipping transfer taxes. Her clients include high-net-worth individuals (HNWI) and family offices.

Gregory Keating is chair of the firm’s Labor Employment & Benefits and Whistleblower Defense Groups. He handles employment litigation, arbitration and administrative cases regarding discrimination, harassment, whistleblowing, non-competition and other post-employment restrictions, ERISA benefits and contract- and tort-based employment claims. In 2012, he was nominated to serve as a management representative on the Whistleblower Protection Advisory Committee by US Senators Michael En...

Mark E. Schreiber focuses his practice on cybersecurity, data breach response and global privacy coordination. He advises entities facing cross-border data protection, the General Data Protection Regulation (GDPR), Privacy Shield and related issues, strategic decisions, cyber assessments and investigations. Mark has led numerous multi-national and cross-border matters, including those involving data breaches, data transfer and credit card/PCI matters. He has advised senior management, boards,...

Samantha M. Kirby is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law. Samantha M., who practices law in Boston, Massachusetts, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Samantha M. is held by other top lawyers in the same geographic and legal practice area.

Marianne LeBlanc is a trial attorney with a proven record of success in the courtroom and over two decades of experience in representing injured clients. With record-setting verdicts in Massachusetts, Marianne’s advocacy skills draw on her commitment to making a difference both for her clients and the community at large. Marianne concentrates in all aspects of serious personal injury litigation, including liquor liability, premises liability, medical malpractice, and nursing home litiga...

Michael R. Brown is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Product Liability Litigation - Defendants. Michael R., who practices law in Boston, Massachusetts, has been recognized since 1989. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael R. is held by other top lawyers in the same geographic and legal practice area.

Rebecca G. Capozzi is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Defendants. Rebecca G., who practices law in Waltham, Massachusetts, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rebecca G. is held by other top lawyers in the same geographic and legal practice area.

Thomas P. Jalkut is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Thomas P., who practices law in Boston, Massachusetts, has been recognized since 1995. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas P. is held by other top lawyers in the same geographic and legal practice area.