9 Lessons Learned from Deploying GenAI at Scale • Garth Gilmour & Stuart Greenlees • GOTO 2025

Drawing from their experience at Liberty Mutual, a Fortune 100 company, Garth Gilmour and Stuart Greenlees share nine hard-won lessons from deploying Generative AI for 5,000 developers. This "from the trenches" talk moves beyond the hype to discuss the real-world challenges of scaling AI, including managing spiraling costs, the complexities of RAG, the difference between shipping and adoption, and the necessity of building a governed platform. They detail their mistakes, solutions, and the evolution of their strategy for architecture, developer education, and model management.