Mark Gaffney

Kate chairs the firm’s Healthcare Practice Group. She serves as general and special counsel to hospitals, specialty hospitals, long-term care facilities, home health and hospice organizations, physician practices, dental practices, and individual practitioners, including physicians, dentists, APRN’s, PA’s and mental health counselors. She advises her healthcare clients on corporate, contracting, licensure, regulatory, credentialing, employment and patient care issues. She al...

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

Kathleen represents both private and public educational institutions, as well as other private and public sector employers, in all areas of employment law, including hiring, discipline and discharge, wage and hour requirements, discrimination and wrongful discharge claims and family and medical leave requirements. She assists employers in the development of personnel policies and negotiating and drafting of employment agreements. Kathleen has represented employers in both state and federal co...

As a litigator and outside general counsel, Christina has a depth of experience serving clients in a broad range of industries, especially those operating in highly regulated areas, and successfully achieves the best outcomes for her clients based on their needs. As lead counsel, Christina skillfully advocates for her clients in federal and state courts, before administrative tribunals, and in alternative dispute resolution settings. She efficiently manages and guides her clients through ever...

Jim Hatem focuses his practices on general corporate counseling, mergers, acquisitions and real estate. As leader of Nixon Peabody’s Insurance Regulatory practice, he represents insurers before insurance regulators throughout the country. What do you focus on? Business counseling and transactional I counsel most of my clients regarding major initiatives, including formation, financing, contracting, compliance, tax planning, leasing, disputes, acquisitions and divestitures. For one clien...

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...

Katherine Battles is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Katherine, 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 Katherine is held by other top lawyers in the same geographic and legal practice area.

Frank has 40+ years experience in litigating commercial cases. Much of his practice is devoted to construction matters, where he regularly represents owners and developers, contractors, suppliers, sureties and lenders at every level of the construction process. Frank also handles all types of contract disputes, shareholder and partnership issues, antitrust and trade regulation matters, real estate controversies and lender liability cases. He has extensive experience in arbitrations and trials...

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.

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...