Kathleen Reagan, former assistant district attorney for Plymouth County, MA, is a partner at Flynn Wirkus PC, a plaintiff’s maritime and general litigation firm, specializing in equine and maritime law, and practicing primarily in Massachusetts and New Hampshire.  Attorney Reagan also offers expert equine consulting services,  and was a co-founder and vice president of QueryHorse LLC , the popular horse information resource Website.  In addition, she taught the only on-line Equine law class through Concord Law School, and taught Equine Business and the Law at Albany Law School.

Attorney Reagan was certified as an expert in the field of equine inherent risk and equine management by the Bristol County Superior Court and offered testimony thereto, on May 22, 2026.  She offers expert witness services and consulting in these fields.

Originally from Columbia, Missouri, Kathleen graduated from the University of Virginia in 1983 with a B.A. in English Literature. In her third year, she attended Cambridge University, UK, specializing in English Literature and English Common Law. Kathleen received her Juris Doctorate from Tulane Law School in 1986 and was admitted to the Massachusetts Bar in that same year and to the U.S. District Court, District of Massachusetts in 1987.  Kathleen was admitted to the New Hampshire Bar in 2024 and the New Hampshire Federal District Court in 2025.

In addition, she worked as an Assistant District Attorney in Plymouth County, Massachusetts from 1986 to 1994, in the District and Superior Courts as Chief District Court Prosecutor and as Chief of the Family Protection Unit. Kathleen joined the firm of Lane, Lane and Kelly, Braintree, MA as an associate for three years and established her own practice in May 1, 2006, and practiced as a solo practitioner until 2021, when she was made a partner at Flynn Wirkus, PC.