Nathan Furr, assistant professor of strategy at INSEAD, researches what makes great innovative leaders, and he reveals how they develop and spend “innovation capital.” CURT NICKISCH: If somebody like Marc Benioff is spending a good deal of his time and energy figuring out how to cultivate and most wisely spend his innovation capital, is this a bigger problem for people, a CEO or, you know, somebody who is leading a big venture or is it just as hard at the outset of your career when you’re getting started or working your way up in a company?