0 Michael Yip Sir Martin Sorrell lays out 4 lessons for marketers to succeed in a new era of advertising Sir Martin Sorrell needs no introduction. The founder of WPP plc, Sorrell notes that while he was with the advertising and PR firm, India... 0 Comments 0 Michael Yip Merry Christmas 0 Comments Newer Posts Older Posts Home Tweets Tweets by @mikeyipdotcom Looking for Something? Subscribe Posts Atom Posts All Comments Atom All Comments Infolinks