Cahaba Valley Computer Services recently promoted staffers and added to its staff. (L-R) are John Browning, Amanda Smith, Chase Webb and Jason Crews. Webb has been promoted to senior network specialist. He has been with the company since December 2007 and specializes in system virtualization and network administration. Crews has joined the company as network support technician. He has an associate’s degree in computer networking systems and is pursuing his bachelor’s in information systems security. Smith has been named director of marketing and public relations. Browning is owner of Cahaba Valley Computer Services.