https://www.adexchanger.com/agencies/doubleclick-ad-exchange-matt-spiegel-omg-digital/
On The DoubleClick Ad Exchange: Matt Spiegel, OMG Digital | AdExchanger
Sep 28, 2009 - Matt Spiegel is CEO of OMG Digital, the digital media buying division of Omnicom Group. Certainly, the new Google DoubleClick Ad Exchange will have big impact...
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https://www.mediapost.com/publications/article/391003/from-doubleclick-ad-exchange-to-xandr-to-the-vista.html
From DoubleClick Ad Exchange To Xandr To The Vistar Media Board 11/13/2023
From DoubleClick Ad Exchange To Xandr To The Vistar Media Board - 11/13/2023
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