Silver had worked at BBDO since December 2003, producing award-winning work for brands including FedEx, Monster.com and Hallmark.
He has 15 years' experience in the creative industry, working at shops including Wieden & Kennedy, Goodby Silverstein & Partners and Cliff Freeman & Partners.
Garfinkel joined DDB in March 2003, and played an important role in helping the agency win the Subaru of America business in 2004.