John Willis is Vice President of Devops and Digital Practices at SJ Technologies. Prior to SJT, he was a Director at Docker, which he joined after the company he co-founded (SocketPlane) was acquired by Docker in February 2015. Previously, John was the Chief DevOps Evangelist at Dell, which he joined following the Enstratius acquisition in May 2013. He has also held past executive roles at Chef and Canonical. John was one of the earliest cloud evangelists and is considered one of the founders of the Devops movement. John is the author of 10 books. He is also the co-author of the Devops Handbook and Beyond the Phoenix Project along with author Gene Kim.