The digital officer role proposed by the business is the conceptual Enterprise Architect
At the root of the IT transformation failures is the current culture of lack of governance and accountability. As a rule, those responsible must be accountable as well.
While in every day operations the lack of proper management practices is easy to conceal, this would most likely fail the company at its first large transformation.
All failed programs I know were besieged by the same problem, an inadequate problem and solution evaluation.
So we keep doing the same things same with same results.