skinny.

Latest / Black Belt Leadership

The Knowledge

In this installment, Dr. John draws inspiration from the legendary exam that London cab drivers endure, “The Knowledge,” memorizing over 25,000 streets and20,000 landmarks, to uncover the secret to world-class performance. Through fascinating stories from elite athletes, martial artists, and business leaders, you'll discover how meticulous preparation, relentless dedication, and a passion for continual improvement are the cornerstones of true mastery. Whether you're striving for excellence in your career, personal development, or everyday life, this episode challenges you to go beyond "good…

The skinny

The skinny isn't ready yet — notes appear once the transcript is processed.