Hillary O'Rourke

Shannon S. Zollo is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law. Shannon S., 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 Shannon S. is held by other top lawyers in the same geographic and legal practice area.

Stacey Pietrowicz is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Plaintiffs, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Stacey, 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 Stacey is held by other top lawyers in the same geographic and legal practice area.

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

Thomas P. Jalkut is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Thomas P., who practices law in Boston, Massachusetts, has been recognized since 1995. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas P. is held by other top lawyers in the same geographic and legal practice area.

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

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

Catherine M. McCarty is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Catherine M., 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 Catherine M. 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.

Ashley leads Sullivan's Real Estate Group and is a member of the firm's Management Committee. Ashley’s practice focuses on all aspects of real estate development, including commercial development, complex debt and equity structures, ground leases, loan workouts and restructures, acquisitions/dispositions, and leasing transactions. Ashley represents a broad spectrum of clients, from international to family office developers, institutional investors to public and private companies, and go...

Stephen W. Bernstein specializes in e-health, “big data,” deployment of electronic health record systems and health-related matters affected by the internet and the Health Insurance Portability and Accountability Act (HIPAA), as well as private equity investments, mergers, acquisitions, affiliations and joint ventures involving technology, hospitals and physicians. Stephen is the global head of McDermott's Health Practice. Please visit our website for more on Stephen's biography: ...