Attorney Drohan is a 1990 graduate of The Johns Hopkins University and a 1995 graduate of Suffolk University Law School. He was admitted to practice before the Massachusetts Bar in December of 1995 and the United States District Court for the District of Massachusetts in October of 1998. He joined the firm in April of 1996, and became a partner in the firm in 2006.

Attorney Drohan works primarily in the Boston office handling various civil litigation matters with a concentration of construction law, appellate work, personal injury, insurance defense and attorney discipline matters. He has argued numerous cases before the Supreme Judicial Court and the Massachusetts Appeals Court. He is a member of the Boston Bar Association, the Massachusetts Bar Association, and the Supreme Judicial Court Historical Society.