Hallmark Magazine promoted KRISTEN KERN to advertising director and KIM COHEN to sales development director.

Creature hired STEVE CULLEN as design director, responsible for expanding the agency's design capabilities. Cullen joins Creature from Young & Rubicam, where he was creative director/art director.

Dedicated Media named BRIAN KO as executive vice president of business development for Dedicated Networks. Ko most recently served as a senior media/account director at Initiative in Los Angeles managing Lion's Gate, Lucas Arts and Hitachi work.

MSG Media appointed KATHRYN KERRIGAN to the newly created role of senior vice president, sales planning and analysis. Prior to joining MSG Media, Kerrigan spent seven years at Discovery Communications, where she most recently served as vice president, ad sales planning and analysis.

Mindset Media hired OLIVER (OLLY) DOWNS as chief scientist.

The Republik hired LESLEY EBERTS as strategic director on the Consolidated Shoe and Riley accounts. Previously, Eberts was program specialist at marketing firm, Edventure Partners, on the Toyota and FBI accounts.

MGH tapped SARAH ROGULL as senior media buyer; ANDREW KREBS-SMITH as account coordinator; and JENNA SAFFRON as account coordinator.

KYLE MCNEELY, the former manager of Apple Inc.'s brand presence in all partnership related executions, joined Swivel Media as its managing director.

Zig.marketing opened a Detroit office and hired PHIL MUELLER to helm it.

SMG Multicultural promoted Tapestry's MARCY GREENBERGER and MV42's ANDREA SLODOWICZ to media directors. Both women previously served as associate media director at their respective agencies. Greenberger will continue to manage Hispanic broadcast and digital activation for Procter & Gamble, for which she provides direct oversight of branded entertainment, local broadcast investment, digital investment and tactical planning. Slodowicz will resume oversight of the multicultural Kraft assignment, spearheading the client's strategy and activation in the digital space.