Prem Natarajan is Capital One’s Executive Vice President, Head of Enterprise Data and AI, and Chief Scientist. Natarajan joins Big Technology to discuss why Capital One is choosing to build its AI stack from the ground up rather than rely on off-the-shelf models. Tune in to hear how Capital One thinks about full-stack AI: from cloud and data foundations to model customization, agentic architectures, and real-world deployment, plus the lessons learned from launching tools like Chat Concierge for auto dealerships. Hit play for a clear-eyed look at the build-vs-buy debate and what it takes to turn enterprise AI ambition into working products. See the Evident AI Index ranking of top banks in AI: https://evidentinsights.com/ai-index Resources: Learn more about AI at Capital One and the team's research and publications: https://www.capitalone.com/tech/ai/ Learn about AI and tech job openings at Capital One: https://www.capitalonecareers.com/category/technology-jobs/234/4412/1 See the Evident AI Index ranking of top banks in AI: https://evidentinsights.com/ai-index/'