Simon Rabin is a serial mobile entrepreneur, and one of the first to operate in mobile commerce in the UK. Rabin joined other tech veterans in the launch of mobile roaming app "Roamer". Roamer allowed millions of people to avoid overseas calling charges. After a successful exit of Roamer in 2016, Rabin turned his attention to fintech & banking. He started Chip in 2016, launching it in early 2017. Chip now has 50k customers and is one of the fastest growing open banking apps in the UK. Its customers are saving millions a week using AI powered banking.