Mika Vanhala, Master of Science in Econ. & Bus. Adm., will defend his doctoral dissertation at the Lappeenranta University of Technology on October 24 at 2 p.m., room 1382. His dissertation is titled Impersonal trust within the organization: what, how, and why? Professor Deanne Den Hartog, Amsterdam Business School, University of Amsterdam, The Netherlands will act as opponent. Professor Kirsimarja Blomqvist of Lappeenranta University of Technology will act as custodian.