Ryan KellyOpinion ContributorRyan Kelly is a results-oriented marketing leader specializing in activating successful go-to-market and growth strategies. As the vp of marketing at Nanigans, the leader in performance advertising software, Ryan is responsible for market positioning, demand generation, thought leadership and integrated marketing worldwide. Voice Lack of Innovation Is Killing Ad Tech and Maybe Even the Open Web Players need to work together to overcome fragmentation challenges. Voice Marketers Need to Focus More Holiday Ad Spend on the Ample Opportunities Available in December It doesn't need to simply be limited to Black Friday and Cyber Monday. Voice Why a Chief Growth Officer Won’t Fix Your Company’s High CMO Turnover Rates Chief marketing officers near clearer expectations Voice How Publishers Can Compete With the Facebook-Google Duopoly They'll need to pool resources and join forces.