The Leadership Team

Mark Tack

Chief Marketing Officer

Mark has 20+ years of successful experience building pipeline-first marketing and demand generation engines for technology companies of all sizes. Prior to joining SundaySky, Mark led marketing at top data tech companies like Acxiom, Experian and IRI, as well as high-growth SaaS leaders like Vibes and Integrate. As divisional CMO of Acxiom, a leader in data and marketing services, Mark led revenue growth to its highest level in company history and created a new industry category. At Vibes, Mark championed a wide range of innovations, from a complete rebranding to the creation of new industry categories and a fast and lean approach to product launches. During his tenure, inbound leads grew 15X and annual revenues more than doubled. In addition to his work as a marketing leader, Mark is an Adjunct Marketing Professor at DePaul University and author of Growth Engine, the definitive guide to pipeline-first marketing.

At SundaySky, Mark drives marketing and demand generation strategy and execution globally. Mark received a B.A. with Honors in Economics from the University of Iowa in 1999 and is an avid Hawkeye fan to this day. Based in the suburbs of Chicago, he enjoys baseball, fishing, and spending time with his family.

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