John J. Cotter

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...

Sarah T. Hogan is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Sarah 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 Sarah T. is held by other top lawyers in the same geographic and legal practice area.

Amy is a corporate and real estate attorney with a focus on general business and transactions. Corporate client work involves the full scope of representation from formation to sale, including mergers and acquisitions, contracts, business counseling and corporate finance. Amy also represents real estate developers and businesses with real estate portfolios in acquisitions, sales, financings and leasing. A skilled negotiator and problem solver, Amy is motivated by helping clients achieve their...

Don Pinto has more than 30 years of experience as a civil litigator, with a focus on complex real estate and land use disputes. He handles cases at the trial and appellate levels in the state and federal courts and before administrative agencies. Outside the courtroom Don has successfully resolved many disputes through negotiation, mediation, and arbitration. Don has extensive litigation experience representing clients ranging from individuals to Fortune 500 companies that own, buy, sell, and...

John G. Balboni is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. John G., who practices law in Boston, Massachusetts, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John G. is held by other top lawyers in the same geographic and legal practice area.

David V. Cappillo is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Mergers and Acquisitions Law and Venture Capital Law. David V., who practices law in Boston, Massachusetts, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David V. is held by other top lawyers in the same geographic and legal practice area.

Cheryl Pinarchick is the managing partner of the firm's Boston office and co-chair of the Pay Equity Practice Group. Cheryl has extensive experience handling all aspects of employment litigation, including trials in state and federal court throughout the United States. She has successfully defended employment lawsuits alleging wrongful termination, employment discrimination and harassment, wage and hour violations, retaliation and other related claims. She has also successfully prosecuted tra...

Deborah Kantar Gardner is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Deborah Kantar, 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 Kantar is held by other top lawyers in the same geographic and legal practice area.

John P. Bueker is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. John P., who practices law in Boston, Massachusetts, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John P. is held by other top lawyers in the same geographic and legal practice area.

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