In an attempt to achieve a more efficient management structure, Tata Teleservices Limited (TTSL) has changed the roles of four of its top officials. Deepak Gulati, formerly president of the company’s GSM operations and 3G business, will now be executive president of the entire mobility division, including mobile services based on the CDMA platform.

Gulati has been working with TTSL for over two years. A.G. Rao, who headed the technology and networks division of the company, has now been appointed as executive president in charge of the enterprise and technology division.

Lloyd Mathias, earlier head of marketing, is now president, corporate monitoring, involving risk management, audit, business process re-engineering, brand development and governance. Pankaj Sethi, president of corporate services,  has been elevated to the position of head Tata Teleservices (Maharashtra) Limited, the listed arm of TTSL.