John J. Sheehan

Joel M. Reck is a top attorney recognized by Best Lawyers in the practice area(s) of Mediation. Joel M., who practices law in Waltham, Massachusetts, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joel M. is held by other top lawyers in the same geographic and legal practice area.

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

Marko S. Zatylny is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Marko S., 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 Marko S. is held by other top lawyers in the same geographic and legal practice area.

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

Robert E. Bishop is a top attorney recognized by Best Lawyers in the practice area(s) of Technology Law. Robert E., 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 Robert E. is held by other top lawyers in the same geographic and legal practice area.

Mark E. Swirbalus is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates. Mark E., 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 Mark E. is held by other top lawyers in the same geographic and legal practice area.

James E. McDermott is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. James E., 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 James E. is held by other top lawyers in the same geographic and legal practice area.

Rich is the leader of Sullivan’s Tax Group. He concentrates on state tax and local tax (SALT) litigation and transactional planning involving corporate, personal income and sales/use tax matters. He has more than two decades of experience before the Massachusetts Appellate Tax Board, the Supreme Judicial Court, various state Departments of Revenue and the Internal Revenue Service on a range of issues, including corporate nexus, domicile, apportionment, step transaction, and unitary repo...

Bruce Francis Smith has over forty years of experience and he represents creditors’ committees, debtors, creditors, executory contract parties, plan of reorganization proponents and asset purchasers in a number of areas including: chapter 11 reorganizations, out-of-court restructurings, debtor-in-possession financing and inter-creditor relationships. Chambers USA ranks Bruce as a leader in the field of restructuring in Massachusetts. Chambers notes that he is “superb counsel in th...

Stephanie A. Richards is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Stephanie A., 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 Stephanie A. is held by other top lawyers in the same geographic and legal practice area.