Jason Llorenz, ex-National Hispanic Caucus of State Legislators, becomes...

Jason Llorenz, ex-National Hispanic Caucus of State Legislators, becomes executive director, Hispanic Technology and Telecommunications Partnership … EuNetworks names James Thomas, ex-TalkTalk Telecom Group, chief financial officer … Discovery promotions: Jocelyn Egan to senior vice president, Discovery Solutions; Maria Kennedy to senior vice president-advertising sales, direct response … Cablevision Systems names Valerie Green, ex-Fuse, senior vice president, marketing, Local Media group, effective Sept. 27 … Deon Levingston, ICBC Broadcast Holdings, joins NAB radio board … Pierre Bouvard leaving Arbitron Sept. 30 as executive vice president of cross-platform services … Mark Marshall promoted to Turner Sports Ad Sales senior vice president and national sales manager … Media General hires Mark Dvornik as president and general manager of WFLA-TV Tampa, Fla., and president of Riverbank Studios … New at Sony, Discovery Communications and Imax 3D joint venture: Julia Rao, ex-Discovery, to chief financial officer, and Mark Ringwald, ex-AmericanLife TV, to scheduling and acquisitions director … Michael Greenspan promoted to senior vice president, digital advertising operations at MTV Networks, which hires Rick Bruner, ex-DoubleClick, as vice president, digital ad sales research and Stuart Schneiderman, ex-Online Publishers Association, to digital research senior director … Donna Thomas promoted by Ascent Media Group to senior vice president of sales for cable, telco and new media … Blair Westlake, Microsoft, becomes treasurer, International Academy of TV Arts & Sciences.