Randy Spratt runs information technology for the largest company in the largest sector of the largest economy on earth.  For most of the last decade, he has served as Chief Information Officer for the $123 billion healthcare behemoth, McKesson Corporation (NYSE:MCK), and in 2009, he assumed the Chief Technology Officer responsibilities. To the uninitiated, the CIO/CTO dual role may seem less dynamic than some other CIO-plus combinations we have covered and will yet cover in this series.  That analysis would be wrong, however, as Spratt tells us, these are distinct responsibilities, and they reflect both sides of the information technology landscape