This story is part of the Behind the Desk series, where CNBC Make It gets personal with successful business executives to find out everything from how they got to where they are to what makes them get out of bed in the morning to their daily routines.

Jeff Immelt admits his 16-year run as CEO at General Electric was at best "controversial" after he left the storied company in 2017 drowning in debt with a crumbling stock value.