Whoever comes after him, [Mr. Merchant, NYC’s DoITT Commissioner] said, he hopes that he or she won’t have the same range of responsibilities. He’s advocating splitting his role into three: commissioner of the Department of Information Technology and Telecommunications, director of the TDC, and CIIO. (He talked of “20 months of 20-hour days.”) As he sees it, the commissioner should handle the department’s responsibilities as lead on the city’s day-to-day I.T. requirements and the director of the TDC should run that shop, leaving the CIIO, as an advisor to the mayor, “have the time to roll out a larger agenda.”