Murali Krishna, Group Head of the Computers and Communications Division (CCD) of Infosys, has resigned. This is the first top-level exit in Infosys after Vishal Sikka was named as its CEO recently. Murali Krishna was responsible for piloting various initiatives like green IT, cloud computing, virtualization, and the adoption of latest communication and collaboration technology at Infosys. He joined Infosys in December 1984 and has held multiple roles in project management, client relationship management, and delivery management for the US Midwest. Prior to taking on this role in 2007, Murali Krishna was Head of the Systems Integration Practice, responsible for developing and delivering end-to-end broad-based technology solutions in collaboration with alliance partners worldwide.