Smart people think carefully about where to invest for the BEST returns. This is true for retirement investments and philanthropic investments. It is also true for people investments.

The most important rule is to invest in your best. But who are the best? These are those who:

Currently exhibit indicators of success. (These indicators can be big or small and can run the gamut from business results or even a great attitude.)

Show they want to improve. (Don’t waste your money on those who are fine with how they are. People who want to improve will be open to changing behavior and are open to new perspectives.)

Have a propensity for action. (These people do not over-think things. They move from inspiration to action quickly.)

And REMEMBER: YOU may be an excellent candidate for investment. Leaders need to be careful to not let misplaced humility keep them from investing in themselves too.