If you look at Bryan Carroll’s CV, you’ll see someone that has viewed the banking sector from several different angles. The Irishman has spent years in various technology and digital roles in the banking and fintech sectors in Europe and Asia, including the National Bank of Abu Dhabi and Russian challenger Alfa-Bank. Prior to that he spent years in various digital roles at Bank of Ireland. But it’s his work in Vietnam building the digital-only bank TNEX over the last few years that has raised his profile. As he tells The Currency, there was something of a circuitous route to…