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Our Leadership Team


Tom Shields

Chief Strategy Officer

As Chief Strategy Officer, Tom leads AppNexus’ Enterprise Product division. Tom was the co-founder and CEO of Yieldex, acquired by AppNexus in April 2015. At Yieldex, Tom pioneered advanced forecasting and analytics for top publishers like Comcast, Viacom, ESPN and Pandora. Prior to Yieldex, Tom was a co-founder and Chief Technology Officer at NetGravity where he developed mission-critical real-time ad server software, leading to a successful IPO in 1998.

Tom holds a B.A. in Computer Science from Harvard University and serves on the IAB Tech Lab Executive Committee.