Stefan Maris is the Chief Partnership Officer at Nielsen and focuses on building strategic alliances that drive collaborative growth with Nielsen’s media ecosystem partners

With over 20 years of experience in product and business development in the ad tech space, Stefan brings with him a wealth of technology expertise and a deep understanding of the media ecosystem. He began his career at Philips Electronics, leading the creation and development of value-added services based on content identification technologies (ACR) and later served as the EVP, Product Strategy & Partnerships at the former Sorenson Media, a leading addressable TV technology provider, acquired by Nielsen. During his time at Nielsen, Stefan served as SVP, Advanced Advertising for the Advanced Video Advertising (AVA) division, managing business development (TV programmers, agencies, ad tech partnerships), and go-to-market planning and product strategy. The AVA division was later acquired by Roku.

Prior to joining Nielsen, as the Head of Global Partnerships at Comcast’s FreeWheel, Stefan focused on building strong and collaborative ecosystem relationships that drive interoperability and scale for premium TV, working with leading media, tech, and data and measurement companies, including Nielsen, Discovery, NBC, Paramount, Sky, RTL, Google/YT, Amazon, Comcast, Roku, Vizio, Omnicom, GroupM, Liveramp, Snowflake, iSpot, VideoAmp, MediaOcean, Transunion, and Experian.

Stefan was formerly based in the Netherlands and now lives in New York City with his wife and three kids.