Eisner Communications has hired two new employees. Trish McClean has joined the Baltimore agency as vice president and senior account supervisor. McClean's resume includes stops at Maryland shops such as Arnold Worldwide, where she was vice president and general manager, and Snyder Communications, where she worked on accounts such as United Parcel Service, MCI, Prudential and Pampers. Andy Liberman has come aboard as a Web designer. Prior to joining Eisner, he worked in the same position at local company SSSI.