After graduating from Trinity College Dublin, Charles began his software engineering career at IBM. Following stints at a CRM start-up and Microsoft, and time building remittance solutions for micro-finance, he helped build start-up travel and social loyalty businesses. After this he spent almost 5 years at Facebook based between Dublin and Menlo Park. Until recently, he was building a start-up tackling the problem of person-to-person payments, called Plynk. Now Charles is focusing on making payments technology easier for businesses and their customers.