John Michael Crutcher, former Air Force pilot, legislative aide in Washington D.C., and practicing psychologist for more than 20 years, comes to us with a wealth of wisdom.

• 个人简介：曾任美国飞行员，华盛顿州议会法律顾问，心理学家，从事心理学研究长达20多年，带着丰富的智慧而来。