
In his new role, Lee will look after the development of the WPP agency’s Integrated Digital Hub, which provides integrated digital services including search, social, SEO and programmatic planning, buying and strategy to global clients such as Unilever.
Lee was the managing director of Performics UK from February 2012, and led a team of 100 working with clients including Aviva, HP, Mercedes, Next, O2 and the Royal Bank of Scotland.
He was previously the head of digital at ZenithOptimedia.
Marco Rimini, the chief executive of Mindshare Worldwide Central Team, said: "More and more global clients want central digital content distribution through all channels, Barry’s arrival will help us perfect this offer for our clients."
ZenithOptimedia hired Possible's managing director, Jon King, as managing director of Performics UK in July.