“Two heads are better than one.” It’s a familiar expression—and one that businesses might want to heed. The authors’ study of 87 companies led by co-CEOs showed that those firms tended to generate better returns than did peer companies with a sole CEO. Successful power sharing at the top depends on multiple factors: strong commitment to the partnership by both leaders, complementary skill sets, clear responsibilities and decision rights, mechanisms for conflict resolution, the proje...
