Rouzbeh is SVP, Data Science at Nielsen, where he leads methodology development efforts for digital and cross-platform audience measurement products, including Nielsen ONE Ads, and Nielsen ONE content. He has experience of work in various parts of the ad tech ecosystem, including performance optimization, identity, and measurement. He holds a B.S. in physics from Sharif University of Technology in Tehran, Iran, and a Ph.D. in physics from University of California, Los Angeles.