HELSINKI, FINLAND, 2015-12-18 — /EPR Retail News/ — Marianne M. Håkonsen has been appointed Citycon Oyj’s Vice President, Marketing and Branding and member of the Corporate Management Committee. Marianne M. Håkonsen (b. 1967) is a Norwegian citizen and has a Master of Science degree in Communications from the University of Montpellier. She will take her…