WPP chief Sir Martin Sorrell quits advertising agency Posted by : Add Comment He resigns after 33 years as chief executive of the world's largest advertising agency, WPP. from BBC News - Home https://ift.tt/2HAWLdX via IFTTT Tags : #BBC UK news Share This : Unknown Related Post:Billy Graham: Six things he believedShould the water industry be renationalised?Reality Check: How much do we spend on fried chicken?'Counting every school shooting so it never seems normal'University strike: What's it all about?'The story of a weird world I was warned never to tell'