Apr 7, 2014 news stories
Forbes has a video interview with Jeremy Levine who mentions the east coast DoubleClick Mafia (1:30ish mark) – west coast is eBay. He cites Mongo, Gilt, Business Insider – but those are all from KR! How about Catchpoint, AppNexus, Nielsen (wait, did Ari not start that?), AdMeld (perhaps), you get the point..