...Governance structure by introducing a flat structure with a CEO function heading up a Leadership Group composed of Business UnitHeads of newly created functional Business Units. During 2009 ISITC Europe have introduced three Pilot Business Units...
http://www.finextra.com/fullpr.asp?id=30572
...the next most commonly cited (by nearly half), followed closely by CEOs. Slightly over one-quarter note business unitheads as decision makers. For the instigator role, CIOs again dominate (at 71 percent), with four other executive types...
http://www-935.ibm.com/services/us/imc/pdf/wp-it-outsourcing-market.pdf