John M. Waldron

Gina A. Fonte is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. Gina A., 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 Gina A. is held by other top lawyers in the same geographic and legal practice area.

Jason E. Brown is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy and Data Security Law. Jason E., 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 Jason E. is held by other top lawyers in the same geographic and legal practice area.

Edward G. Zacharias is the managing partner of McDermott’s Boston office. He represents clients across the healthcare industry and beyond on healthcare compliance and transactional matters. He is a Certified Information Privacy Professional (CIPP/US) and advises healthcare providers, insurers, health information technology and digital health companies, pharmacies, drug and device manufacturers, life sciences companies and health services vendors on a range of information privacy and cyb...

Hannah Bornstein is a litigator, trusted advisor, and the deputy practice group leader for Government Investigations & White Collar Defense. She is also a member of the firm’s Life Sciences team. She represents individuals and multi-national companies in regulatory compliance matters, investigations, and litigation. She is experienced in healthcare industry matters involving the False Claims Act; the Food, Drug and Cosmetic Act (FDA); and the Anti-Kickback Statute. My focus I counse...

Kenneth F. Ehrlich is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law and Financial Services Regulation Law. Kenneth F., who practices law in Boston, Massachusetts, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kenneth F. is held by other top lawyers in the same geographic and legal practice area.

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

Michelle O'Brien handles environmental and land use permitting and related litigation for various types of developments including residential homes, commercial buildings, waterfront properties, wind turbines, and solid waste facilities. She defends companies in environmental enforcement matters at the federal, state, and local levels. She represents private parties in cost recovery and property damage claims involving releases of oil and hazardous materials, and assists clients with real esta...

Stephen T. Paterniti is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Stephen T., who practices law in Boston, Massachusetts, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stephen T. is held by other top lawyers in the same geographic and legal practice area.

Mark W. Pearlstein concentrates his practice on white-collar criminal defense, the defense of actions brought by the US Securities and Exchange Commission, complex commercial litigation, arbitration and internal investigations. Previously, he was the partner-in-charge of the Boston office and served as head of the Boston Trial Department. Mark is also a member of the Firm-wide Management Committee. Read full biography: https://www.mwe.com/people/pearlstein-mark-w/

David A. Hoffman is a mediator, arbitrator, attorney, and founding member of Boston Law Collaborative, LLC. David is listed in the book “The Best Lawyers in America” in five categories (Mediation, Arbitration, Collaborative Law – Civil, Collaborative Law - Family, and Family Law Mediation). He was named Boston's "Lawyer of the Year" in Collaborative Law in 2014, in Mediation for 2016, in Arbitration in 2018, and again in Mediation for 2020. He has been named a Massachusetts ...