Thomas M. Kiley

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/

Deborah J. Manus is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Deborah J., who practices law in Boston, Massachusetts, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Deborah J. 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...

Tracy A. Vitols is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Tracy A., 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 Tracy A. is held by other top lawyers in the same geographic and legal practice area.

Matthew Knowles is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Health Care. Matthew, 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 Matthew is held by other top lawyers in the same geographic and legal practice area.

Timothy Holahan is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Individuals and Litigation - Labor and Employment. Timothy, 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 Timothy is held by other top lawyers in the same geographic and legal practice area.

Donald W. Parker is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Donald W., who practices law in Waltham, Massachusetts, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Donald W. 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...

Leo V. Boyle is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Plaintiffs and Personal Injury Litigation - Plaintiffs. Leo V., who practices law in Boston, Massachusetts, has been recognized since 1987. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Leo V. is held by other top lawyers in the same geographic and legal practice area.

Debra Dyleski-Najjar is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Labor Law - Management. Debra, who practices law in North Andover, Massachusetts, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Debra is held by other top lawyers in the same geographic and legal practice area.