Newsbrief: Video game business and talent agency Digital Development Management (DDM) has appointed mobile and social executive Tehyon Kim as its new director of business development. Kim, who has previously worked at Offerpal Media, Tapjoy, and SponsorPay, will head up the growth of DDM's emerging social and mobile games business. In this new position, Kim will advise developers on potential funding or distribution strategies, and will help clients facilitate multi-platform distribution for their social and mobile titles. Last year, DDM also recruited entertainment executive Matthew Cohen and business director Elizabeth Ross.