Dan is a Principal Engineer working at Skyscanner within the Production Platform tribe, and author of "Practical OpenTelemetry: Adopting Open Observability Standards Across Your Organization". Throughout his career, his main focus has been building solutions to reduce the cognitive load required to operate systems at scale. At Skyscanner, rolling out a standard approach to observability across hundreds of components, which provide a reliable service for nearly 100 million unique monthly users, presents him and his team with unique challenges. The sort of challenges that manifest themselves more clearly with scale, and that are fascinating to tackle and to share learnings from.