Cons has a long history of writing code, with Lisp and functional languages from early days. Worked with formal methods, language implementation and lecturing at Uppsala University and escaped to a life of speech synthesis, music notation, graphics, networks, imaging, online poker, network configuration and more language implementation (as part of the OTP team). Currently a member of the Code Analysis Team at WhatsApp, working with building tools for analysing Erlang, and other languages, for various aspects and properties.