Kester joined CCS Insight in October 2010 and holds the position of Principal Analyst. He has established a reputation as an informed commentator on his principal focus areas of mobile operator strategy, European and US markets, telecoms regulation and LTE. Kester came to CCS Insight from Nokia, where he held the position of market analyst, specialising in mobile operator intelligence and device forecasting. He was previously a senior research analyst with Informa Telecoms and Media.