Cossette Post in New York has hired Susan Manber as executive planning director. Manber will report to president and COO Lance Smith. Most recently, she was a partner and director of strategic planning at Gardner Nelson & Partners in New York. Before that, she worked at Lowe Lintas & Partners and its predecessors, APL and Ammirati & Puris, rising to executive vice president and director of strategic planning. Manber has led the strategic development process for clients across the healthcare, financial services, packaged-goods and technology industries, resulting in the creation of campaigns for Bank One, Johnson & Johnson, Ameritech, Dell and Cablevision.