Tata Teleservices Limited (TTSL) has appointed Joyjeet Bose as head of its small and medium enterprise (SME) business for the southern region. Bose, who has been associated with TTSL for more than a decade, will be responsible for leading the sales, business development, solution engineering and marketing resource teams. He has been a part of the core team responsible for setting up TTSL’s enterprise business. He has also held leadership positions in sales strategy, business enablement and solution engineering in the company.