In addition, in the long run, they have to ensure to drive up productivity of the bank while ensuring innovation and security of systems thus playing the role of a Chief Innovating Officer and a Chief Intelligence Officer.
Though not strictly comparable, one can surmise that the demands on a CIO of a complex bank are akin to those of a CTO of a technology start-up: whether it is in leading innovation- product and process or managing multiple teams to develop and deliver or focusing on the customer experience or partnering with sales/marketing to deliver.