There is no doubt that it is the job of the CEO to define the culture, lay out the vision and overall direction of the company. To whom do they turn to execute on that vision, though? The job of a CTO now lays not just in technology, but in ensuring that there is a culture-based infrastructure that runs through the entire company. Maintaining that vision and leading the company to stay consistent in both product lines and consumer voice is arguably the most important job of a CTO today.