Great leadership in a VUCA world of volatility, uncertainty, complexity and ambiguity resides in the constructive tension between healthy relationships and dynamic change. The word radical aptly describes a new style of leadership for a VUCA world because it captures this sense of constructive tension. The Latin origin of the word radical means "back to the roots" while in the modern vernacular, radical has come to mean out on the leading edge of change.

The roots of great leadership are healthy relationships, but the fruit of great leadership is the ability to thrive in a rapidly...