Best Lawyers in Massachusetts, United States for Administrative / Regulatory Law
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Cities
David C. Fixler’s practice focuses on assisting energy companies with navigating the complex regulatory landscape that, together with sweeping technological changes, is changing the manner in which electricity is generated, distributed, sold, managed, stored, and consumed in the United States. David has wide-ranging experience representing developers of renewable and traditional energy facilities in permitting, siting, interconnection, zoning, property tax and other matters in front of ...
Dan Finnegan focuses his practice in the areas of litigation, property tax, construction law, administrative law and land use. Dan handles all aspects of civil litigation, arbitration and mediation, and has represented banks, financial institutions, businesses, and governmental and individual clients at the trial and appellate court levels in both state and federal courts. Dan has experience defending banks over alleging predatory lending, mortgage fraud and violation of consumer protection s...
David S. Rosenzweig is an attorney with Keegan Werlin LLP in Lexington, Massachusetts, where his practice focuses on Administrative / Regulatory Law and Energy Law . He advises utility companies, project developers, energy producers, and large institutional energy users on permitting, siting , regulatory compliance, and energy infrastructure matters throughout Massachusetts and the New England region. Mr. Rosenzweig has extensive experience with the siting and permitting of energy infrastruct...
John DeTore serves as Administrative Chairman of Rubin and Rudman’s Executive Committee and leader of the Energy Practice Group. John’s practice focuses on representing large energy companies before regulatory agencies and courts throughout New England and in New York. His representations include more than twenty major energy projects involving billions of dollars in Massachusetts, Connecticut and New York, including eleven cases before the Massachusetts Supreme Judicial Court. Jo...
James B. Re is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative / Regulatory Law, Commercial Litigation and Litigation - Labor and Employment. James B., who practices law in Boston, Massachusetts, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James B. is held by other top lawyers in the same geographic and legal practice area.
Michael Masse is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative / Regulatory Law and Immigration Law. Michael, who practices law in Boston, Massachusetts, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael is held by other top lawyers in the same geographic and legal practice area.
Peter E. Madsen is an attorney with Keegan Werlin LLP in Lexington, Massachusetts. His practice focuses on Administrative / Regulatory Law and Energy Law , with experience representing public utilities and energy companies in a range of state regulatory proceedings and compliance matters. Before joining Keegan Werlin LLP in 2024, Mr. Madsen practiced in the energy group of a national law firm, where he advised clients on regulatory and administrative matters before state public utilities comm...
Our Methodology
Recognition by Best Lawyers is based entirely on peer review. Our methodology is designed to capture, as accurately as possible, the consensus opinion of leading lawyers about the professional abilities of their colleagues within the same geographical area and legal practice area.
The Process
Best Lawyers employs a sophisticated, conscientious, rational, and transparent survey process designed to elicit meaningful and substantive evaluations of the quality of legal services. Our belief has always been that the quality of a peer review survey is directly related to the quality of the voters.