Ad Tech Guru O'Connell Joins MediaMath As CMO

Top ad tech market researcher and analyst Joanna O'Connell has joined demand-side player MediaMath as CMO. O’Connell joins from AdExchanger, where she was lead analyst in its fledgling research practice. She is the second analyst to leave AdExchanger for a programmatic media technology firm this year, following Lizzie Komar who joined Index Exchange as director of research and insights in July.

O'Connell brings more than 15 years of experience analyzing the ad tech industry. Prior to AdExchanger, she established herself as one of the ad tech field’s most authoritative researchers while serving as principal analyst for interactive marketing at Forrester Research, known for her benchmarking, forecasts and ratings of companies participating in digital display, ad targeting, optimization and measurement.

She began her career in seminal digital shop Avenue A’s New York operations and was a founding member of Razorfish’s agency trading desk. She also ran brand relations for the Audience on Demand practice at Publicis’ VivaKi unit.

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