
He started with clickable objects inside video. The more durable invention was an independent control layer for a television business learning to speak software.
Jonathan Heller is the chairman, founder and co-CEO of Firsthand, a New York AI startup building Brand Agents - AI representatives that talk directly to consumers on behalf of publishers and brands. An adtech lifer, he co-founded the online video advertising platform FreeWheel in 2007 and sold it to Comcast for roughly $360 million in 2014. At Firsthand he is reuniting with his old DoubleClick colleague Michael Rubenstein to argue that generative AI is not a better ad-serving engine but an entirely new medium for reaching people.
Tod Sacerdoti is a two-time founder and prolific seed investor. He built BrightRoll into a video ad-tech powerhouse that Yahoo bought for $640 million in 2014, then reassembled the band to start Pipedream, a developer integration platform that Workday acquired in early 2026. As a general partner at Flex Capital he has backed 400-plus companies at the seed stage, including Chime, Vercel, Replit and Mercury.
Yinan Na (also known as Steven) is the co-founder and CEO of Creatify AI, an AI-powered video ad platform that lets marketers produce, test, and optimize short-form video ads in minutes. Built on a decade of engineering at Meta and Snap, Creatify crossed $9M ARR within 18 months of launch, raised a $15.5M Series A co-led by Jeffrey Katzenberg's WndrCo, and now serves over 1 million marketers across 10,000+ teams including Alibaba.com, Comcast, and Binance. Na holds a Master's in Computer Science from Stanford and a Bachelor's in Automation from Tsinghua University.
Herman Yang is the CEO and co-founder of Upscale AI, an AI-native platform that lets e-commerce brands create, run, and optimize performance TV ads on streaming channels. A Stanford CS grad with an MBA from Harvard Business School, Yang spent over a decade reshaping mobile advertising at AdMob (acquired by Google) and MoPub (acquired by Twitter, then AppLovin), before stints at Facet Data, Chatgrid, and Moloco. In May 2025, he emerged from stealth with $5.5M in seed funding - backed by Nvidia Ventures, M12, Eniac, and others - to democratize what was once a $100K-minimum medium: streaming TV ads, rebuilt from scratch for performance marketers.