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AppNexus’ O’Kelley Fires Up Machine Learning-Powered DSP

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‘I Invented Header Bidding’: Now O’Kelly Is Making Marketing Programmable

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AppNexus Replays Video Ambitions, Starting This Summer

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AppNexus CEO O’Kelley Fights Facebook’s ‘Walled Garden’

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Ad Tech Is Cyclical: AppNexus CEO O’Kelley

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Xaxis Deal ‘Critical’ To AppNexus’ Future: CEO O’Kelley

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