CEO at Sonobi
Founding Sonobi and championing publisher transparency and control in programmatic advertising, particularly through header bidding innovation and supply path advocacy.
Last updated Mar 28, 2026 by AI Enrichment
Laszlo Nadler is best known as the founder and CEO of Sonobi, an independent advertising technology company he built into a recognized player in the header bidding and programmatic ecosystem. Sonobi's platform focuses on giving publishers greater control and transparency over their programmatic supply chains, positioning the company as a publisher-centric alternative in a market often dominated by large walled gardens and opaque intermediaries. Under Nadler's leadership, Sonobi developed proprietary header bidding infrastructure and demand management tools that have been adopted by a range of premium publishers. He has been a consistent voice in industry conversations around supply path optimization, auction dynamics, and the need for greater accountability from intermediaries in the programmatic stack. His advocacy for transparency has made him a recognizable figure at industry events and in trade press discussions about the future of open web monetization. Nadler's career has been centered on the intersection of publisher monetization and programmatic technology. He has guided Sonobi through significant shifts in the industry, including the rise of header bidding as a standard practice, evolving privacy regulations, and the ongoing deprecation of third-party cookies, consistently positioning the company around durable, publisher-aligned solutions.