Mobile social gaming company Digital Chocolate has hired two new executives to support its plans to expand its games portfolio across more platforms. Kaj Haggman joins from Nokia as VP and GM of Digital Chocolate’s studio in Helsinki, while Emmi Kuusikko joins as VP of product management from Sulake, the maker of the MMO online game Habbo Hotel. The company also announced promotions in Finland and its California office, where it coordinates cross-platform tools, engineering and social game best practices.