Search for "Sean W. McDonald"

Sean is a partner and founder of the firm, O'Connor, Carnathan and Mack, LLC and focuses his practice in complex business litigation with a particular emphasis on insurance coverage, closely held businesses and trust and estate litigation.

Since 1993, although Massachusetts based, Sean has been litigating cases all over the country, from Texas to Minnesota and from California to Maine. He has tried or arbitrated over 25 cases in the state and federal courts of Connecticut, Delaware, Maine, Massachusetts and New Hampshire.

Sean has secured millions of dollars in recoveries for his clients. He regularly advises corporate executives in transition regarding their...