Francesco Cesarini has taught Erlang/OTP for fourteen years to all parties involved in the software cycle, including students, developers, support and testers, as well as project and technical managers. He has helped set up Erlang development centres in Ireland, the US and the UK. In 1999, the year after Erlang was released as open source, Francesco moved from Sweden to London and founded Erlang Training and Consulting, a company which he is a majority shareholder of today.