In fast-growing design teams, inconsistency in process and communication can silently stall momentum. The Fuse Design Initiative (FDI) was born out of this realization, not as a training session, but as a catalyst for cultural and operational change. What began as a simple experiment to align on frameworks became a structured, team-wide initiative that boosted UX maturity, empowered junior leadership, and created tangible improvements in efficiency and collaboration. This case study outlines how we used intentional design sprints and process thinking to reshape the way our team works and thinks.