Brian Stempeck was named chief client officer at The Trade Desk.

Catch New York hired Marco Cignini as the agency's first executive creative director. Most recently, Cignini was creative director and founder of the Action Sports and Lifestyle Brand division at KBS+.

Telmar hired Paul Gold as vice president, strategic data operations.

Delivery Agent named Jim Peters as president and COO.

Generator Media + Analytics hired Breena Goldberg as senior communications strategy planner to work on the Jenny Craig and Curves accounts. She joins the company from Cramer-Krasselt, where she was a media planner/buyer.

Coldwell Banker Real Estate promoted Sean Blankenship to chief marketing officer, up from senior vice president of marketing.

NYLON Media hired Michelle Lee as head of brand strategy.

Kathleen Dundas joined AOL’s Global Agency Development Team as global head of Omnicom Group. The global agency development team operates across 18 countries and six continents. Dundas spent more than  twelve years at MediaVest, where were she most recently served as executive vice president, managing director, responsible for leading the global Microsoft Consumer Business.

Havas Worldwide Chicago has named Celia Jones group brand director. She was previously global marketing director at Critical Mass.

Following the retirement of managing partner of strategy John Ames, Ames Scullin O'Haire is adding Jim Crone as partner, account leadership. He will be joining two other new partners Steve Harding, director of engagement who has been with ASO since 2010, and Ryan Mikesell, creative director, who joined in 2008.