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Eleni Nicholas

Chief Client Officer

Eleni Nicholas joins MediaMath from Nielsen, where she spent 28 years in a variety of commercial, client-facing, Managing Director and organizational transformation roles. Most recently, Eleni was Global Leader of the Top 35 fast-moving consumer goods clients of Nielsen.

Prior experience within Nielsen includes launching new vertical practice areas of Nielsen Europe, including automotive, financial services and other industries outside of consumer-packaged goods, and serving as Global Client Business Partner for Unilever. She is a champion and sponsor for diversity and inclusion and has led numerous initiatives promoting diversity, including launching Women in Nielsen for Europe and participating as an active mentor for the Women’s Leadership Program.

Eleni will be responsible for driving success for MediaMath clients and bringing assurance that their advertising dollars will be effectively and strategically utilized.

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