Facebook appointed Hatch to the high profile UK job in 2013, and he joined the company the following year. He had been with MEC, the Group M agency, since it began.
He was chief executive at MEC for three years. Before that, he was managing director at what was then known as Mediaedge:CIA between 2008 and 2011.
Hatch served as board strategist at Young & Rubicam Brands – which became a part of Mediaedge:CIA in 2002 – between 1998 and 1999. He has also held planning roles at Initiative, PHD and DDB.
Facebook confirmed that it would not be searching for a new UK & Ireland director because Hatch's remit will broaden.