As cloud expenses continue to rise, inefficiencies such as orphaned services and misconfigurations contribute to unnecessary waste. CLEANATHON addresses these challenges by empowering developers to optimize cloud resources through automation, smart scaling, and cost-aware engineering practices. This session will delve into the vision behind CLEANATHON, covering its preparation, execution, and the strategies employed across cost savings and automation tracks. The speakers will share insights on collaborating with vendors like AWS, Google, and Databricks, as well as the initiative's proven impact, including over $100K in annual savings over two years. Join this session to explore how CLEANATHON drives smarter, more efficient cloud spending, and how such data-driven, impact-focused initiatives can deliver long-term savings.