Viacom promoted Karim Mawji to the newly created position of senior vice president of digital platform for its Music & Entertainment Ad Sales group.

Marc Greenstein has been promoted to vice president creative production for NBC News and MSNBC.

Code Worldwide, Omnicom’s Creative Technology agency, hired Michael Schlechter as managing director of its New York office.

Kinetic Social hired Michelle Schiano as executive vice president, marketing.

DWA named James Miller as senior vice president of business development.

Starcom USA added two new employees to its Los Angeles office. Christine Bradt was named senior vice president/director overseeing the agency’s Mattel business, and Stacy Karabuykov will serve as vice president/activation director overseeing national buying for clients including Del Monte, CBS Films, ABC Cable Network Group and Universal Orlando Resort.

POPSUGAR promoted Eileen Carty to vice president of national sales.

Ivan Shulman was promoted to president of Radiate Media.

Stardust hired Blythe Dalton Klippsten as executive producer/L.A.

MassMedia hired Sarah Marek as advertising and media specialist.