All of Turn's previous investors, Norwest Venture Partners, Trident Capital, Shasta Ventures and Focus Ventures, took their full pro rata shares in the round.

"We've been impressed by the tremendous growth of the company, driven in large by its innovation and scalable infrastructure," said John Avirett, Principal at Greenspring Associates. "It's clear that Turn represents the future of media and data management with its unprecedented technology and advanced understanding of digital marketing."

Delivering thousands of campaigns annually and analyzing billions of impressions daily, the Turn Media Platform offers a highly scalable, automated and interoperable solution for privacy compliant data-driven digital advertising. From its centralized self service platform and through Turn's optimization algorithms and real-time analytics, marketers automate media buying and audience targeting across many inventory sources to achieve campaign performance, delivery, and custom audiences at scale.

"Our ability to innovate has led to our significant increase in the breadth and depth of our strategic client relationships and more than doubling our revenues year-over-year," said Bill Demas, President and CEO at Turn. "With this additional capital, we will invest in three areas: building a highly scalable global infrastructure, continuing to develop disruptive technologies and growing our business internationally."