Oona M. Johnstone

David serves as Managing Partner and is a Tax Partner in Sullivan’s Boston office, bringing over 25 years of experience to his dual roles. Leadership Role As Managing Partner, David collaborates closely with the firm’s Management Committee, partners, and business professionals to advance Sullivan’s vision of becoming a leading global, commercially focused mid-size law firm. He is dedicated to: Cultivating a culture of deep loyalty and high performance Implementing innovative...

Ian D. Roffman is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Regulatory Enforcement (SEC, Telecom, Energy) and Litigation - Securities. Ian D., who practices law in Boston, Massachusetts, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ian D. is held by other top lawyers in the same geographic and legal practice area.

Ira M. Golub is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Ira M., who practices law in Boston, Massachusetts, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ira M. is held by other top lawyers in the same geographic and legal practice area.

Jeremy M. Carroll is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Jeremy M., 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 Jeremy M. is held by other top lawyers in the same geographic and legal practice area.

Douglas L. Burton is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Douglas L., who practices law in Boston, Massachusetts, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Douglas L. is held by other top lawyers in the same geographic and legal practice area.

Loring ("Woody") A. Cook III has a comprehensive background in commercial law and complex civil litigation, both trial and appellate, with a focus on construction law in Boston, Massachusetts. For over 45 years, Woody has provided legal guidance to a variety of clients in the construction industry, including owners, general contractors, construction managers, and subcontractors. His services cover a wide range of areas from dispute resolution—such as negotiation, mediation, arbitration,...

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.

Martin Hall is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Martin, who practices law in Boston, Massachusetts, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Martin is held by other top lawyers in the same geographic and legal practice area.

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

Joseph F. Savage, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Bet-the-Company Litigation, Commercial Litigation, Criminal Defense: White-Collar, Litigation - Regulatory Enforcement (SEC, Telecom, Energy) and Qui Tam Law. Joseph F., who practices law in Boston, Massachusetts, has been recognized since 2003. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joseph F. is held by other top lawyers in the same geograp...