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LN

Laszlo Nadler

Operator

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.

Last updated May 30, 2026 by the ATDb Editorial Team

Role
CEO
Company
Based
New York, New York, United States
Connections
1
Years in industry
15 years

Bio

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.

Expertise & education

Expertise

Header BiddingProgrammatic AdvertisingSupply Path OptimizationPublisher MonetizationAd Tech Platform DevelopmentTransparency & Accountability in AdTechDemand ManagementOpen Web Advertising

Speaking topics

Transparency in Programmatic AdvertisingHeader Bidding and Auction DynamicsSupply Path OptimizationPublisher Monetization StrategiesThe Future of the Open Web

Recognition

Notable achievements

  • Founded Sonobi, building it into a recognized independent header bidding and programmatic platform serving premium publishers
  • Positioned Sonobi as a transparency-first alternative in the programmatic supply chain amid growing industry scrutiny of intermediaries
Connection details