Executive Vice President. Esko Aho is executive vice president, Corporate Relations and Responsibility. He heads Nokia's Government Pension and public affairs function, and oversees the company's global policies and activities regarding sustainable development and social responsibility. He has been a member of the Nokia Leadership Team since 2009, and was appointed to his current position in 2008. He reports to the CEO. Before joining Nokia in 2008, Esko enjoyed a long and distinguished career in Government Pension service. He was Prime Minister of Finland from 1991 to 1995. After the presidential campaign in 2000, he joined Harvard University as a lecturer, and following his retirement from the Finnish Parliament, he worked as a consultant.