Kathleen M. Mahan

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

Ronald L. Abramson is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Ronald L., 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 Ronald L. is held by other top lawyers in the same geographic and legal practice area.

Marrielle B. Van Rossum is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law and Medical Malpractice Law - Defendants. Marrielle B., who practices law in Manchester, New Hampshire, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marrielle B. is held by other top lawyers in the same geographic and legal practice area.

Margaret has over twenty-five years of experience concentrating on high-asset and complex divorce cases. Margaret’s clients include business owners, public figures, elected officials, executives of publicly traded companies, successful inventors, tech entrepreneurs, attorneys, doctors, dentists, retirees, those with generational wealth, and many others. Her cases regularly involve issues relating to the valuation and division of complex assets such as business interests, private equity,...

Mark Beaudoin represents developers, landowners and investors in all aspects of commercial real estate transactions, including land use and environmental permitting. My focus My practice focuses on assisting clients with the acquisition, financing, permitting, leasing and disposition of commercial real estate. The industries with which I work vary from commercial real estate developers and health care facilities to energy providers and telecommunication companies. ACQUISITION, FINANCING AND D...

For over 40 years, Jerry Zelin has devoted his practice to representing New Hampshire school districts in a wide array of student-related matters including special education, inter-district residency disputes, juvenile court cases, pupil discipline, civil rights, the federal Family Educational Rights and Privacy Act (FERPA), and limits on the state and federal governments’ authority to regulate local school districts. Jerry has successfully represented school districts in some of New Ha...

Charlie’s practice is in the areas of real estate, commercial lending and loan workout for lenders. His experience includes real estate development, leasing, condominium issues, bankruptcy and perfecting and enforcing commercial loan documents. Charlie’s clients range from real estate developers to banks, nonprofits and municipalities.

Greg counsels clients in all aspects of land use and real estate, including finance, planning, development, and litigation. His courtroom experience is impressive: He’s spent over 30 years serving as a trial judge, both in the United States Air Force and the New Hampshire Circuit Courts. Additionally, he previously practiced both business law and litigation with New Hampshire-based law firm Wiggin & Nourie. As a result of his experience on both sides of the bench, he is a uniquely e...

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.

A founding shareholder of the firm, Michael leads the Litigation Practice Group, specializing in business and commercial litigation matters, defense of medical malpractice actions, and advising medical doctors and practices in a variety of legal matters. He is an accomplished trial lawyer in New Hampshire and Massachusetts state and Federal courts, and brings extensive experience to the investigation, evaluation, settlement or trial of major cases. Michael is a skilled litigator, effective ne...