One of the responsibilities of the person with the CIO job is to make  sure that the face that the company presents to the outside world is one  that everyone can interact with. 

More and more these days, it’s the company’s online presence that is how current and potential customers first come into contact with a company. What this means is that it has become a CIOs responsibility to make sure that the company’s websites can be used by everyone. 

This includes older visitors who have their own unique set of usability issues.