Mark Heptinstall

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 W. Dean is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law, Energy Regulatory Law and Utilities Law. Mark W., who practices law in Manchester, New Hampshire, has been recognized since 2005. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark W. is held by other top lawyers in the same geographic and legal practice area.

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...

Mark A. Abramson is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Plaintiffs, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Mark A., who practices law in Manchester, New Hampshire, has been recognized since 1995. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark A. is held by other top lawyers in the same geographic and legal practice area.

Pam represents individuals in divorce, domestic relation issues and Hague Convention cases. As an advocate in court and a steady counselor, Pam assists her clients in the complex areas of divorce and domestic relations law. Pam is also a New Hampshire Certified Marital Mediator so she conducts mediation in a private setting and is regularly appointed as a mediator in different family courts. She also has a background in environmental law and wrote an amicus brief for a New Hampshire Supreme C...

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.

Jim practices in the areas of labor and employment law with an emphasis on assisting employers in effectively avoiding, or defending against, employment disputes. He represents management in organizations ranging from multi-national corporations, to closely-held, family-owned businesses, to not-for-profit entities and public sector employers. Since joining the Firm in 1989, Jim has expanded an already well-established employment law practice group. This group is now recognized as one of the b...

Sarah Ambrogi is a top attorney recognized by Best Lawyers in the practice area(s) of Elder Law and Trusts and Estates. Sarah, 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 Sarah is held by other top lawyers in the same geographic and legal practice area.

William H. Shaheen is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law and Personal Injury Litigation - Plaintiffs. William H., who practices law in Dover, New Hampshire, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William H. is held by other top lawyers in the same geographic and legal practice area.

Attorney Michael ("Mike") Iacopino has represented people accused of crimes in New Hampshire for more than 35 years. He is the Senior Partner at the Manchester Law Firm, Brennan Lenehan Iacopino & Hickey. Before joining Brennan Lenehan, Mike was a public defender in Manchester. He joined Brennan Lenehan in 1987. Besides representing the criminally accused, Mike has a select plaintiff's personal injury practice. Mike is the current Chair of the Board of Directors of New Hampshire Public De...