Brett Hampson, an author and founder of Forecasting Performance, shares his insights from over a decade in corporate FP&A. He emphasizes grassroots finance transformation, advocating for proactive over reactive operations. Brett explores the importance of a clear vision within FP&A teams and introduces his FP&A Operating System for enhancing efficiency. He also discusses leveraging attribution analysis and storytelling to influence business decisions and the need for a process-oriented culture that prioritizes continuous improvement among finance professionals.