Peter Koestenbaum\u27s Diamond Leadership Theory illustrates how a leader\u27s greatness can be evaluated by looking at four different categories: ethics, courage, reality, and vision. According to his Diamond Leadership Theory, he stresses that all four dimensions must be equally developed and balanced, in both the personal and professional life of the leader. Koestenbaum contends that a balanced leader will show leadership skills in all aspects, not just in their professional lives.
The following research was conducted using the Diamond Leadership Theory as a foundation for studying a leader in the business world. By understanding these basic principles, the researcher was able to apply these characteristics to the leader and make conclusions regarding the validity of Koestenbaum\u27s theory to this particular individual
