Five students started a project to connect travelers with local tours, but realized few wanted amateur guides. They pivoted to aggregating activities from suppliers globally. As the engineering team grew from 3-8 people to 20+, they learned that everyone working on everything led to decreased speed. They introduced functional roles and Agile processes but lost focus. Stage III introduced dedicated product teams, daily testing, and data-driven decisions. They emphasized defining values like passion and learning to build a sustainable culture oriented around a mission to enhance customers' trips.