Gwyn Lewis

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.

Nathan Warecki is an associate in Nixon Peabody’s Complex Commercial Disputes group, and teams with attorneys and other legal professionals on a wide variety of matters, including commercial litigation, class actions, non-competes and trade secrets, business disputes, and immigration. Prior to joining the firm, he worked for a regional law firm in Manchester, New Hampshire, on general litigation and immigration matters. In law school, he interned with the Honorable Joseph N. Laplante of...

Since 1978, Joe has dedicated his legal career to the representation of individual plaintiffs in personal injury litigation. Joe is currently a member of the New Hampshire Supreme Court Committee on Character & Fitness. He is a member of the American College of Trial Lawyers and the Million Dollar Advocates Forum and he has been a 20 year member of Best Lawyers in America. Joe McDowell was one of the lead lawyers in the $2.5 Billion settlement for the victims of the Dalkon Shield birth co...

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...

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...

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 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.

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...

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.

Renelle L. L'Huillier is a top attorney recognized by Best Lawyers in the practice area(s) of Public Finance Law. Renelle L., 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 Renelle L. is held by other top lawyers in the same geographic and legal practice area.