Rauxa hired Sean McCarthy as vice president, managing director of its Chicago office.

Humble announced that David Rosenbaum has joined its directorial roster.

Bigstar has launched Bigstar Studio, a new content creation company at the intersection of entertainment, advertising and broadcast. Based in New York, Studio will be headed by Josh Norton, Bigstar Studio's executive creative director, who also runs Bigstar. Carson Hood will serve as executive producer, overseeing the day-to-day and big-picture operations.

GoKart Labs named Jim Cuene as president.

MobFox added Michael Ionita-Ganea as chief operating officer and Laura Woolston as chief marketing officer.

iHeartMedia tapped Gayle Troberman as executive vice president and chief marketing officer. Troberman joins iHeartMedia from IPG Mediabrands, where she served as chief marketing and ideas officer.

Point To Point named Jessica Endress and Jason Hoehnen as account directors and vice presidents.

Chris McCarthy, executive vice president of MTV and general manager of MTV's sister networks MTV2 and mtvU, will also lead Logo TV as the network's general manager.

NBCUniversal’s Hispanic cable network mun2 named Peter Dobrow as vice president, communications. He will report to Ruben Mendiola, president of mun2.

RiskIQ named Arian Evans as vice president of product strategy. He was formerly vice president of operations and product strategy at WhiteHat Security.