FIU NEWS — If Carlos B. Castillo ’88 ever doubted the impact his friend and mentor Dean John F. Stack Jr. had on his students, he realized it fully when he arrived at the 2011 Beef O’Brady’s Bowl in St. Petersburg with Stack at his side. As they approached the FIU alumni tent at Tropicana Field, Stack was swamped by current and former students who wanted to say hello, shake his hand and say thank you.