OREANDA-NEWS. December 29, 2009. Chairman of the Management Board of SEB Bank Ahti Asmann will start managing the Ukrainian bank of SEB from 1 January 2010. SEB is already looking for a new chairman for its management board and Riho Unt, member of the Bank’s management board and Head of Retail Banking and Technology Area, will be the acting chairman of the management board of SEB Bank until the appointment of the new chairman.