Molecular promoted MELANIE LOWE to vice president and managing director of the San Francisco office.

Rhea + Kaiser Marketing Communications named WES MEADOR as associate media director. Meador most recently served as media strategist at Chandler Ehrlich.

Buzznet hired JEFF LEEDS, former New York Times music reporter, as its new Editor-in-Chief. In addition, former Alternative Press magazine managing editor LESLIE SIMON has joined the company as senior editor.

SUMEET KANWAR joined OMD in a dual role as global account director and director of strategic services. Prior to joining OMD, he worked at Sears Holdings, …

MATT TIMBERLAKE joined Federated Media as an account executive.

Perfect Fools hired TIM O’KENNEDY as its first non-executive director. Most recently, O’Kennedy was managing director at Wieden+ Kennedy in Amsterdam.

JOHN SHARRY joined Sprague Nelson as an account manager.

Palisades MediaGroup named MIKE MCLAUGHLIN as media director for Palisades Interactive. Most recently, he managed all digital media efforts for 20th Century Fox Film Corporation as media director at Moxie Interactive.

Starcom MediaVest Group formed a Global Leadership Team consisting of MARSTON ALLEN, global director of business development and marketing; BERNARD BEDON, PHD, global director, talent and innovation; MATT BLACKBORN, global director, technology accounts; DAN MATTEI, …