Turn hired Jonathan Gardner as its director of communications.

Say Media hired Tim Carroll as vice president of Midwest sales, based out of Chicago.

The O Group promoted Jason Cohen to executive vice president creative and Renee Iselin to senior vice president client services.

Chris Oberg joined Mad*Pow as a project manager.

David Fisher joined the New York office of Arnold Worldwide as director of integrated production. Fisher most recently served as executive producer / production director at TBWA\Chiat\Day.

Discovery Channel promoted Dolores Gavin to executive vice president of development and production, east.

Lisa Sabatino joined Anonymous Content as co-director, west coast sales and marketing.

Paula Bernstein joined Child’s Play Communications as social media specialist.

Jacque Bibeau was promoted to executive vice president of sales and business development at Touchstorm and Judi Costanza was promoted to chief networks and technology officer.

Michelle Misner joined MeringCarson as a connections planner.