Bharti Airtel is an Indian multinational telecommunications company headquartered in New Delhi. It operates mobile networks in 20 countries across South Asia, Africa, and the Channel Islands. Airtel was founded in 1995 and is now the third largest mobile operator globally with over 275 million subscribers. Airtel provides 2G, 3G, and 4G services depending on the country and has a presence in India, Sri Lanka, Bangladesh, and 17 African nations. The company employs over 24,000 people worldwide and had revenues of over 35,000 crores in 2014. Airtel utilizes different levels of sales managers including operational, middle, and top-level managers to oversee its sales teams.