The role of IT systems is perhaps most noticeable when things go wrong. And when they go wrong, they can go horribly wrong. If the trading platform at a stock exchange fails, so does the market.
The role of the chief information officer (CIO) at such times is unenviable and, just like the technology, the CIO is most noticeable when things go wrong. The Tokyo Stock Exchange (TSE) has been no stranger to calamities and over the years has suffered a few high-profile suspensions to trading.
