Banham, who has worked at the agency since May 2003, will oversee creative output from Agency.com's European offices, including Amsterdam, Brussels and Dublin. The agency intends to launch two further offices by the end of the year.
In London, Olly Robinson (second from left) has been promoted from creative director to head of the agency's creative department. He joined Agency.com in August 2003 and has worked on accounts including British Airways, BT and Dulux.
Steve Whiteley (right) and Matt Curtis (second from right) will now be the joint creative directors in London. Last year, they won awards, including a Campaign Digital gold, for their work on NSPCC.