Brian Cullen

A member of Sheehan Phinney since 2002, J.P. represents clients across a wide variety of industries in civil litigation. His work includes the representation of both plaintiffs and defendants in complex litigation matters including general commercial disputes; trade secret, noncompetition and restrictive covenant litigation; employment cases; and construction actions. In his time with the firm, J.P. has represented businesses and individuals engaged in various aspects of the construction trad...

Dave serves as President and Managing Director of the firm. He also maintains an active practice. Dave represents firm clients in state and federal courts, arbitration and administrative proceedings. He routinely handles trade secret, non-competition, predatory hiring, discrimination, retaliation and whistleblower, wrongful termination, and healthcare related matters. He also frequently helps businesses and executives navigate employment separations. Dave is a certified mediator who serves in...

Greg specializes in the defense of hospitals, physicians and nurses in medical malpractice litigation. In addition to representing medical care providers throughout the state in medical negligence cases, he also consults with hospitals and QA/RM representatives on a variety of risk management and quality assurance issues and represents physicians in matters before the New Hampshire Board of Medicine. He has given numerous presentations to physician and nursing groups across the state on medic...

Heather Menezes is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Heather, who practices law in Manchester, New Hampshire, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Heather is held by other top lawyers in the same geographic and legal practice area.

Provide corporate and commercial representation to closely-held companies for their business law needs. Also spend a significant amount of my practice on merger and acquisition representation.

From the beginning, Rick’s career has focused on business law and litigation, and he brings the same intense focus and forethought to every interaction with his clients. An expert on construction law, Rick has represented contractors and other participants in the construction process in virtually all areas where construction and the law intersect, from contract negotiation and formation through the issues that arise during construction to performance and payment disputes and constructio...

Kirsten Wilson is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: General Practice. Kirsten, who practices law in Portsmouth, New Hampshire, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kirsten is held by other top lawyers in the same geographic and legal practice area.

James O’Shaughnessy focuses his practice on the representation of public school districts, school boards, and other educational institutions, including charter schools and private schools. As leader of the firm’s New Hampshire school law group, Jim’s practice involves the full spectrum of school law matters, including board representation and governance, school district and SAU organization and budgets, cooperative and regional school district issues, school district annual ...

Andrew Piela is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Andrew, who practices law in Nashua, New Hampshire, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrew is held by other top lawyers in the same geographic and legal practice area.

James S. LaMontagne is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. James S., who practices law in Portsmouth, New Hampshire, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James S. is held by other top lawyers in the same geographic and legal practice area.