Phil is a Principal Engineer for Amazon Web Services (AWS), focused on core container technologies that power AWS container offerings like Fargate, EKS, and ECS.

Phil is currently an active contributor and maintainer for the CNCF containerd runtime project, and participates in the Open Container Initiative (OCI) as the member of the Technical Oversight Board (TOB). Phil has also been a long-time core contributor and maintainer on the Docker/Moby engine project where he contributed key features like user namespace support and multi-platform image capabilities.

Phil enjoys helping others understand and apply container and cloud native concepts and speaks worldwide at industry conferences and meetups, and is a member of the CNCF Ambassadors program. He maintains a blog on container topics at https://integratedcode.us and you can find him on Twitter/X tweeting away as @estesp.