But it does n't matter , as the role is largely transitional in nature and the CIO continues to rule IT .
Only 6 percent of the top 1,500 global companies have chief digital officers , says consultant PwC .
PwC does n't matter , as the role is largely transitional in nature and the CIO continues to rule PwC .
Only 6 percent of the top 1,500 global companies have chief digital officers , says consultant PwC .