Katherine Tuluzova
Chief Executive Officer, Sigma Software
Katherine is a seasoned technology executive with extensive experience leading innovation across the digital advertising ecosystem. As Chief Executive Officer of Sigma Software, she is responsible for driving the company’s global strategy, growth, and delivery of advanced software solutions, with a particular focus on AdTech, AI, and data-driven technologies. Under her leadership, Sigma Software partners with leading hyperscalers, cloud providers, and technology companies to develop scalable AI-powered solutions and digital advertising technologies that accelerate innovation across the industry.
In addition to leading Sigma Software, Katherine serves as Chair of the Prebid LLM Taskforce, where she works alongside industry leaders to develop standards and best practices for applying large language models within the open advertising ecosystem. She is a recognized advocate for responsible AI adoption and frequently contributes to industry initiatives focused on innovation, interoperability, and the future of programmatic advertising.
Known for her strategic vision and collaborative leadership, Katherine is a respected voice in the AdTech community, helping organizations navigate the intersection of artificial intelligence, open-source technologies, and digital advertising.