After the recent departure of four of the company's top executives, CA Inc. has engaged in its second round of reshuffling, appointing Al Nugent as the software vendor's <A HREF="http://www.infoworld.com/article/06/06/20/79447_HNcanewcto_1.html">new chief technology officer.</A> Earlier this month, during an overhaul of its sales operations, CA announced the departure of Greg Corgan, its executive vice president of worldwide sales, following the revelation that a new sales-commission plan had played havoc with its financial results.