Mark is an experienced full-stack DevOps engineer. Mark now helps banks to understand modern technology, currently focussing on blockchain. After finishing his masters on information security, writing an award-winning thesis on the Android permission model, he co-founded Limesco, a community-driver mobile phone operator. He co-founded and ran two Bitcoin startup, but decided to learn more about to classical banking system. Mark now works with banks, which allows him to learn about how those systems work, while at the same time educating those banks about blockchain technology.