Matthew P. Tosto

Deborah E. Barnard is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law. Deborah E., 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 Deborah E. is held by other top lawyers in the same geographic and legal practice area.

James E. Grumbach is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration, Insurance Law and Mediation. James E., who practices law in Newton, Massachusetts, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James E. is held by other top lawyers in the same geographic and legal practice area.

Charles (Charlie) R. Buck advises health care enterprises on complex transactions and regulatory compliance. He represents a wide range of clients, including proprietary and tax-exempt hospital systems, academic medical centers and faculty practice groups, accountable care organizations, and health maintenance organizations (HMOs) and other health insurers. Please visit McDermott website to view more on Charlie's biography: https://www.mwe.com/en/team/b/buck-charles

Brian Voke is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Defendants and Product Liability Litigation - Defendants. Brian, who practices law in Boston, Massachusetts, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian is held by other top lawyers in the same geographic and legal practice area.

Ronald Eisenstein focuses his practice on advising biotechnology and pharmaceutical companies, research institutes, and universities on patent portfolio management, post-issuance strategies, dispute management and due diligence. He is also a member of the firm’s Life Sciences team. My focus I focus my practice on helping clients devise and execute strategies for managing their patent portfolios as well as navigate the changing patent landscape. I leverage my scientific background, exten...

Anthony H. Dowling is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Employee Benefits (ERISA) Law. Anthony H., who practices law in Boston, Massachusetts, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Anthony H. is held by other top lawyers in the same geographic and legal practice area.

For over 34 years, Marcia Mavrides, lead attorney at Mavrides Law, has been a recognized leader in the divorce and family law community throughout Boston and Massachusetts. Attorney Mavrides is listed in the top 5% of lawyers, and has an AV preeminent rating, has been designated among the Top Women Lawyers in Family Law several years in a row, and has been consistently named to Massachusetts and New England Superlawyers.

Mark Burak has specialized in the representation of employers in labor and employment matters for over 20 years. Mr. Burak’s practice focuses primarily on defending employers in state and federal courts and before administrative agencies. Mr. Burak has successfully handled cases involving virtually the entire spectrum of employment related laws, with a particular emphasis on discrimination laws. He has tried several cases successfully to conclusion and obtained dismissals or summary jud...

Daniel Gelb is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Daniel, who practices law in Beverly, Massachusetts, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel is held by other top lawyers in the same geographic and legal practice area.

Lisa’s litigation practice spans a broad range of complex environmental, energy, land use, real estate, insurance, and business matters. On behalf of private and public sector clients, she practices in state and federal courts at both the trial and appellate levels. In addition, she handles contested administrative proceedings, alternative dispute resolution matters, and sensitive regulatory compliance negotiations. She co-chairs the firm’s Environmental and Energy Law and Real Es...