MUFG Bank, Japan's largest bank, leveraged Generative AI (GenAI) to streamline data digestion and automate presentation materials creation for their FX & Derivative Sales team. To address the challenge of gathering and analyzing vast amounts of corporate data, MUFG implemented LangChain, a programming library that enabled them to extract critical financial data efficiently and automatically generate presentations based on extracted insights. This has led to a 10x increase in efficiency in sales processes, enabling hundreds of sales professionals to access the same level of intelligence previously only available to experienced personnel. The success story showcases how MUFG's adoption of LangChain-powered GenAI has improved their corporate sales team's productivity and decision-making capabilities.