Michael J. Puzo

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

Gareth Orsmond focuses his practice on commercial real estate, land use, environmental, and energy matters in Massachusetts and New Hampshire. His practice encompasses transactional work, permitting, and litigation. Gareth started his career as an environmental and land use lawyer before building his commercial transactional practice. This background enables him to negotiate and implement complex real estate deals while resolving challenging environmental and land use issues.

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

Stuart Falber exclusively represents clients in the life sciences area. For more than 35 years, Mr. Falber has served as counsel for a broad range of life sciences clients, ranging from startup private companies to mature public companies, investment banks, venture capital funds and scientific funds.

With 25+ years of experience in government investigations and white-collar defense, Brian Kelly is a nationally recognized former federal prosecutor and high-profile trial attorney. Brian has tried numerous federal cases including, most notably, U.S. v. James “Whitey” Bulger . His seasoned judgment and strategic counsel comes from decades of experience in the U.S. Attorney’s Office in both Boston and San Diego. Brian defends corporations and executives in federal and state i...

Eric P. Hayes is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Eric P., who practices law in Boston, Massachusetts, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eric P. is held by other top lawyers in the same geographic and legal practice area.

Lou, Co-Chair of the firm's Lateral Partner Hiring Committee and former member of Sullivan's Management Committee, represents clients, both public and private, in commercial acquisitions, dispositions and financings across various real estate asset classes, including office, retail, senior living, hospitality and marinas, many of which are multi-state, portfolio transactions. His practice includes a particular focus on representation of real estate investment trusts (REITs). The transactions ...

Lisa’s litigation practice spans a broad range of complex environmental, energy, land use, real estate, insurance, and business matters. On behalf of private and public sector clients, she practices in state and federal courts at both the trial and appellate levels. In addition, she handles contested administrative proceedings, alternative dispute resolution matters, and sensitive regulatory compliance negotiations. She co-chairs the firm’s Environmental and Energy Law and Real Es...

James E. Grumbach is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration, Insurance Law and Mediation. James E., who practices law in Newton, Massachusetts, has been recognized since 2024. 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.

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