Based in London, Kim Hoang will lead a team of 25 digital specialists across the firm's European network, reporting jointly to UK & Europe CEO Colin Byrne and global chief digital strategist and creative director James Warren.
She built a working relationship with Byrne after serving as European head of digital and information systems at Interpublic's Constituency Management Group, which houses Weber Shandwick.
Hoang has also served as head of digital at McCann Erickson.