Marshall Senterfitt

Marshall Senterfitt advises individuals, families, trustees, executors, other fiduciaries and institutions in high-stakes trust and estate disputes and complex fiduciary matters. He helps clients navigate challenges involving fiduciary duty claims, trust and will contests, probate disputes and related litigation, combining courtroom advocacy with practical strategies designed to manage risk and resolve conflicts efficiently.

Marshall represents clients in state and federal courts, administrative proceedings and all forms of alternative dispute resolution. His practice encompasses a broad range of trust, estate and fiduciary litigation matters, including disputes involving beneficiaries, trustees, executors and other private and professional fiduciaries. Marshall has substantial experience in matters requiring forensic data preservation and analysis, including matters involving suspected and alleged financial fraud and manipulation.

In addition to his litigation practice, he advises beneficiaries, trustees, personal representatives and other fiduciaries on trust, estate and financial matters. Marshall assists clients in addressing complex trust and estate administration challenges, evaluating potential exposure to claims and developing strategies to mitigate risk. He regularly counsels clients on private and judicial trust modifications and the preparation and implementation of agreements and other documents related to trust and estate administration. He also advises individual and institutional clients regarding fiduciary accountings, discretionary and required disclosures, and related matters.

Clients and industry observers have recognized Marshall's practical and successful approach to dispute prevention and resolution. In the 2025 Chambers High Net Worth guide, a source noted he is "incredibly intelligent and a big name in the field" and another source described him as "intelligent, analytical, and very impressive in communicating with others."

Marshall is among a small group of elite probate and fiduciary dispute resolution lawyers in the country whose practices are devoted entirely to complex and sophisticated trust, estate and fiduciary disputes. He evaluates and understands each client's unique circumstances and objectives in order to develop customized efficient and effective solutions.

Marshall is a fellow in the American College of Trust and Estate Counsel (ACTEC), the former president of the Greater Boston Fiduciary Law American Inn of Court, and also a member of and participant in other prominent industry groups. He regularly lectures at continuing legal education (CLE) seminars and in various public and private settings on fiduciary litigation and related topics. Before joining Holland & Knight, he practiced with a national law firm in Boston.

"Marshall is able to anticipate potential challenges and disputes, and advise appropriate mitigation and prevention strategies that can avoid further or more protracted disputes."

– Chambers High Net Worth 2024 guide