LONDON: The UK ceo of WPP's media agency holding company GroupM, Steve Allan, has been appointed as chairman/ceo of its media planning and buying unit, MediaCom Worldwide.

He replaces Alexander Schmidt-Vogel, who has been in the post since 2002 and is believed to be moving to a trading position within the company.

Nick Theakstone, GroupM UK's chief operating officer, is understood to be stepping into Allan's shoes.  

Prior to joining GroupM, Allan was the UK ceo of MediaCom for five years.

Data sourced from Brand Republic (UK); additional content by WARC staff