
Summary.
Tom Gentile spent 20 years as a senior executive at GE before becoming CEO of Spirit AeroSystems, a $7 billion aviation supplier. Seven months into the job, in 2017, Gentile and his assistant spent 13 weeks tracking his time as part of Harvard Business School’s CEO Time Study, and discussed his results with the people leading the research, Michael Porter and Nitin Nohria. Gentile recently spoke with HBR’s Daniel McGinn and HBS research associate Sarah Higgins about what he learned—and what behaviors he’s trying to change. Here are edited excerpts from their conversation: