About Us



Jenna Griffith

Chief Operating Officer

I am passionate about changing the way that marketing is delivered to consumers through technology, people, and processes. I’m an expert on demand-side platforms, digital marketing strategy and program design and high-level campaign optimization techniques. After earning a Bachelor’s in Economics from Princeton University, I started my career on trading desks as an analyst at J.P. Morgan Chase. My trading knowledge opened the door to positions at American Express, including leading the Online Advertising Strategy & Operations group, from which ads started being sold on Amex.com.

In 2008, I joined MediaMath as Employee #8 and today remain deeply committed to the culture and company as a whole. In my current role as Chief Operating Officer, I am responsible for helping MediaMath perform at its best, at every level and across the company. I’m also proud to be the executive sponsor of our Women in Technology group, a forum for women at MediaMath that aims to provide equal visibility, community and resources to grow, retain and attract female talent and influence the tech industry at large.


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