Sizmek, the leading Open Ad Management firm for programmatic, announced the appointment of Dr. Mark Grether as its Executive Chairman. Dr. Grether is replacing outgoing President and CEO Neil Nguyen, who will be staying through April-end to see the smooth transition of power at Sizmek. The latest transfer of power at the top management comes barely a week after Sizmek announced the launch of Data Hub, a data-centralizing ad tech ecosystem offered with its Programmatic Creative solution.

Dr. Mark Grether introduced himself as new Sizmek Executive Chairman via blog post, addressing the stakeholders and media partners about future growth plans.

Dr. Mark Grether wrote:

“As Sizmek’s new Executive Chairman, I’ll be spearheading the execution of our strategy and growth as the premier independent ad management company in the ad tech space. I am writing to introduce myself, and share some thoughts on why I’m excited to be leading the charge at Sizmek.”

Grether, a renowned and industrious ad tech veteran and investor, has led advisory boards at mobile ad tech company AppLift, video advertising platform ShowHeroes, data management platform zeotap and ad tech consulting and growth acceleration firm Connect Digital Partners.He was the co-founder and global COO at WPP’s Xaxis programmatic media department.

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Dr. Grether also thanked his incumbent predecessor Nguyen by adding, “I’d also like to thank Neil Nguyen. Through his leadership over the past 13 years, Sizmek has become the market’s largest open ad platform and the second largest server of digital ads.”

Nguyen, at Sizmek, led the ad tech innovation team to build this company from $40 million in annual revenue and 200 employees to hitting a peak of $420 million and over 2,000 employees. The highlight of his career is the formation of DG Mediamind.

Sizmek is already on the martech radar by virtue of its powerful programmatic platform, enabling top brands to activate and manage campaigns across any channel, anywhere in the world. Currently, Sizmek’s product suite for ad tech consists of Programmatic Creative, Dynamic Creative, Rich Media, Strike Ad, Data, Peer39, Ad serving and MDX-NXT. A comprehensive ad differentiation platform that engages customers and drives performances, Sizmek led by Dr. Grether is expected to introduce many cutting-edge advertising intelligence and performance drivers in 2017.