In addition to general business litigation, Gallagher focuses her practice on defending employers in the railroad, transportation and health care industries. For her work in railroad law, she was appointed as the first female member of the National Association of Railroad Trial Counsel Legislative Committee, where she also served as a teacher for their Trial College. Gallagher is the past president of the Nashville Bar Association’s Young Lawyers Division and a longstanding member of Tennessee Lawyers’ Association for Women. She is actively involved in the community by serving on the board of Girls on the Run and supporting Room in the Inn HELP Clinic as a legal volunteer.