Zach DeWalt

Zach DeWalt is Senior Director of Media Effectiveness at
Kantar, based in New York. He partners with leading
Advertisers, Agencies, and Publishers to design customized
measurement strategies that evaluate and enhance the impact
of paid media. With deep expertise in marketing analytics,
Zach helps clients translate performance insights into
actionable optimizations. His work supports smarter
investment decisions and drives greater marketing
effectiveness across channels.