Christina S. Marshall

Allen David's civil litigation trial practice focuses on the defense of professional liability claims. He primarily represents lawyers and law firms against complex claims of malpractice. In addition to his trial experience, Mr. David has significant appellate experience in both state and federal courts. His articles and book chapters in the areas of legal malpractice, insurance law and financial institution law have appeared in numerous publications. Mr. David is the author of the profession...

Joan A. Lukey is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Bet-the-Company Litigation, Commercial Litigation, Employment Law - Individuals, Litigation - First Amendment, Litigation - Labor and Employment, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Defendants. Joan A., who practices law in Boston, Massachusetts, has been recognized since 1993. This recognition is based on an exhaustive peer-review survey, reflecting...

Steven M. Peck is a top attorney recognized by Best Lawyers in the practice area(s) of Venture Capital Law. Steven M., who practices law in Boston, Massachusetts, has been recognized since 2008. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Steven M. is held by other top lawyers in the same geographic and legal practice area.

Warren is a Partner in the Real Estate Department. Although his practice encompasses the entire range of commercial real estate law, he concentrates in the area of leasing.

Andrea Peraner-Sweet is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Personal Injury Litigation - Defendants. Andrea, 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 Andrea is held by other top lawyers in the same geographic and legal practice area.

Dana McSherry advises healthcare and life sciences companies in criminal and civil government enforcement matters and in related civil litigation, including civil False Claims Act litigation. She advises clients concerning all aspects of civil and criminal investigations relating to Medicare and Medicaid billing and other government contracting issues, including negotiating with the government and managing clients’ responses to civil investigative demands and large-scale investigative s...

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.

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...

John G. DiPiano is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law and Family Law Arbitration. John G., who practices law in Salem, Massachusetts, has been recognized since 2023. 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.

Harvey practices primarily in the areas of international and domestic corporate finance and domestic corporate governance, investment management law, securities law, including the Investment Company Act and Investment Advisers Act, and corporation, limited liability company and partnership law. Harvey counsels domestic and foreign clients, and advises clients respecting domestic and offshore investments and transactions. He also counsels on CFIUS compliance in international transactions follo...