Sara Barrett

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

Lauren S. Irwin is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Individuals, Employment Law - Management and Litigation - Labor and Employment. Lauren S., who practices law in Portsmouth, New Hampshire, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lauren S. 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,...

Holly B. Haines is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Plaintiffs and Personal Injury Litigation - Plaintiffs. Holly B., who practices law in Manchester, New Hampshire, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Holly B. is held by other top lawyers in the same geographic and legal practice area.

Mark Knights is a member of the Government Investigations & White Collar Defense practice group and lead of the Global Compliance & Investigations team. He represents individuals and businesses across a variety of industries in connection with matters involving the Foreign Corrupt Practices Act, the Anti-Kickback Statute, the False Claims Act, and other federal and state laws. Prior to joining Nixon Peabody, Mark served as a law clerk for Judge Mary Beck Briscoe of the U.S. Court of A...

Marrielle B. Van Rossum is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law, Litigation - Labor and Employment 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.

Anna Cole delivers well-informed, creative advice to support employers, including schools and colleges, municipalities, private entities, and Tribal Nations, as they navigate the ever-changing landscape of labor and employment laws. Co-Leader of the firm’s Labor and Employment Practice Group, Anna represents employers in collective bargaining negotiations, contract administration, and grievance and arbitration proceedings. Additionally, she represents employers before the state and fede...

James Callahan is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Business Organizations (including LLCs and Partnerships) and Real Estate Law. James, who practices law in Peterborough, New Hampshire, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James is held by other top lawyers in the same geographic and legal practice area.

Since joining Nixon Peabody almost 20 years ago, Phil has had the pleasure of advising investors, middle market private companies, large public companies, entrepreneurs and C-level executives in many different kinds of corporate transactions, all over North America, Europe, Asia and Africa. Phil was born in Southern Africa and finished his secondary education in the United States. His love of family, travel, outdoor adventure and community permeates everything he does. Phil has been described...

Ken is currently a member of the firm's Managment Committee and the Chair of the firm's Corporate Department. He has a diverse practice specializing in real estate development, concentrating in affordable housing development. Over the past twenty years Ken has become recognized as one of the leading attorneys in the area of affordable housing development in the State of New Hampshire. He represents a number of both for-profit and not-for-profit developers. Ken has represented developers in se...