These folks were replaced with both internal and external hires, even one from AB InBev, the global beer empire where the 3G founders made a lot of their money.

FORBES: Buffett's Heinz Partner Not A Typical Private Equity Group

After two years, the performance reviews of the external hires caught up to the internal promotes.

FORBES: Why Promoting From Within Usually Beats Hiring From Outside

The external hires made 18% more than the internal promotes in the same jobs.

FORBES: Why Promoting From Within Usually Beats Hiring From Outside

By creating triggers through both monetary and non-monetary incentives among customers, employees, partners, suppliers and other interested parties, organizations can secure sustainable engagement and drive business outcomes such as improved marketing response from external communities, sustained long-term customer loyalty, increased collaboration among internal teams, or enriched onboarding, delivering success with new hires, partners, and customers.

FORBES: Research Summary: Demystifying Enterprise Gamification For Business

Some internal contenders for the No. 1 job sulk when their board hires an outsider, however.

WSJ: What to Do When Your Company Hires a New CEO