This tool has been very helpful in understanding the different styles of leadership within the church. One example in our church planting team (The Vine Church in Madison) is that I am predominately King, Zach prophet, and Nate priest. As with any assessment tool, every individual has a mixture of qualities from the numerous categories. Nonetheless, this can be a helpful tool when it comes to understanding our strengths and weaknesses, as well as surrounding us with people who are complimentary in gift and ability. This is one of the reasons the body of Christ requires a diversity of gifts to be healthy and why the church is best lead by a plurality of elders.
Here's a helpful chart that clarifies tri-perspectivalism in leadership. Here are some resources from Timmy Brister on the topic.