Apr 08, 2010. /Lesprom Network/. The member of Pöyry's Group Executive Committee and CFO, Mr Esa Ikäheimonen will leave Pöyry to join another company. The process to find a successor has been started, company said in a statement received by Lesprom Network. Esa Ikäheimonen will carry on his duties as CFO and member of the Group Executive Committee of Pöyry during a transition period, however, not longer than September 30, 2010.