John Sabella, Advisory Board Member
John Sabella is CTO of Undertone Networks. In this position, he is responsible for guiding the company's technology strategy which includes ad serving, targeting, advertiser-focused products and developing new solutions for our publisher partners.

Prior to joining Undertone, John was SVP of Engineering at Rhythm NewMedia, a start-up advertising-supported mobile video company, where he managed the development and launch of the company's mobile video advertising platform. Before that, John served as CTO and COO at Conducive Corporation where he designed and delivered adMarketplace.net, as well as the eBay Keywords system.

John began his digital media career at DoubleClick, Inc. as VP of Engineering, where he rebuilt the company's entire publisher platform and was instrumental in developing and launching new products such as Boomerang, Dart for Advertisers, DARTmail, among others.

With more than a decade of interactive experience, John has served on a host of advisory boards for digital companies, including Tacoda, Inc., Adap.tv, Permuto, and AdInfuse. He is a graduate of Columbia University.