David Berkowitz, the principal of his marketing consultancy Serial Marketer, most recently served as Chief Marketing Officer at MRY, a creative agency within Publicis Groupe. Prior to joining MRY in 2013, he spent seven years leading emerging media at Dentsu agency 360i, co-founding its social media practice and running its Startup Outlook initiative. From 2001 to 2004, he served as Editor and then Director of Media Relations with eMarketer. David has contributed more than 500 columns to outlets such as Ad Age, MediaPost, and VentureBeat, and he has penned his blog MarketersStudio.com since 2005. He has spoken at more than 300 events globally.