John Zell

Global Head of Data Products

Qualfon

John Zell is a seasoned marketing and technology leader, and Qualfon’s Global Head of Data Products, where he focuses on delivering measurable business results for clients through innovative strategies, data-driven insights, and collaborative partnerships. He ensures that Qualfon’s marketing solutions consistently exceed client goals—driving engagement, efficiency, and ROI by aligning marketing performance with business objectives. Prior to joining Qualfon, John served as Executive Vice President at Publicis Media, where he oversaw product, technology, and consulting teams focused on developing programmatic adtech, martech, and customer data management platforms. He built a marketing and branded “Always On” division that generated tens of millions in annual revenue, while forging partnerships to expand the reach of iconic brands such as Samsung, Delta Air Lines, and Bank of America. His track record of success also includes senior executive roles at Rubicon Project, Harte Hanks, and multiple private equity–backed ventures. A frequent speaker and panelist at industry conferences and events, John serves on several advisory boards, working groups, and executive committees. When he’s not bringing together data expertise and industry connections to shape the future of customer engagement, he enjoys quality time with his family or hitting the fairways in Sarasota, Florida.