Marten Pieters, Chairman

Marten Pieters (LLM) completed his Law study at Groningen University, Netherlands with a major in Economics in 1977. In February 2009 he was appointed as Managing Director and CEO of Vodafone India, subsidiary of Vodafone Group Plc. in India. In 2012, he has been appointed as the Vice Chairman of Cellular Operators Association of India (COAI), the industry body for GSM telecom operators in India.
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Marten Pieters

Gopal Vittal, Vice Chairman

Gopal Vittal is the Managing Director & Chief Executive Officer (India & South Asia) of Bharti Airtel Limited.
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 Gopal Vittal

Rajan S Mathews, Director General

Rajan has earned both his Master of Business Administration (Finance & Accounting) and Master of Arts (Economics) degrees from Rutgers University (USA) and he is a CPA from the State of New Jersey, USA. Prior to joining COAI as DG, Rajan served as COO of US Operations and Corp. CFO and VP of Telargo Inc. (a Joint Venture of NTT DoCoMo), overseeing all of the company’s Strategic Planning, Business Development, Financial, Treasury, Accounting, Tax, Administrative and Human Resource functions.
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Rajan S Mathews


The COAI secretariat, compact and credible, exudes confidence, enthusiasm, brilliance and efficiency to stand up to the challenges and tasks It would not be an understatement to say that COAI is the most credible and powerful voice of the Indian mobile Telecommunications sector because of the secretariat. Against the backdrop of constant challenges and proactive measures required, the young and dynamic “Team COAI”, unflinchingly delivers against all odds.
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COAI Secretariat