David is CEO and co-founder at Griffin, the UK's first full stack BaaS platform and bank. Prior to this, David spent nearly a decade working in high-growth tech companies in Silicon Valley, developing infrastructure software for Airbnb and CircleCI. He was also an engineer on the core banking system at API banking startup Standard Treasury - an early BaaS pioneer - which was acquired by Silicon Valley Bank in 2015. Alongside co-founder Allen Rohner, he is the author of Learning ClojureScript.