Winston & Strawn Adds Two Tax Partners to Washington Office

Winston & Strawn is expanding its Washington office with the addition of James Mastracchio and Susan Seabrook as partners in its global tax controversy practice.

The pair arrived from Eversheds Sutherland, where Mastracchio was head of the firm’s federal tax controversy and criminal tax practices. He will co-lead Winston & Strawn federal tax controversy and criminal tax matters practices in Washington.

Seabrook, who will be the other co-lead, had worked prior to private practice as a special assistant U.S. attorney and a senior trial attorney with the IRS Office of Chief Counsel. She also worked at the National Office Industry ...