Stop Chatting With Spreadsheets — Francesco Galletta & Felippe Felisola Caso, Monzo

Why watch

Francesco Galletta and Felippe Felisola Caso demonstrate how to build trustworthy AI agents for financial analysis using a wedding budgeting use case. They present five design principles: shared domain, consistency, evidence, accountability, and verification. The talk explains why mathematical calculations should live in code rather than in the LLM, and shows live demos of planning with AI agents. For engineers building production AI systems where financial accuracy and trust are critical.