“This book is the most practical and effective guide available for learning and applying the principles of progress—drawn from two lifetimes of wisdom, responsibility, and innovation.”

“Two leaders. One family. Zero spin. Charles and Chase Koch open the vault on what really happened—mistakes, near-bankruptcy, hard calls, and the mindset shifts that changed everything, fueling extraordinary success.”

“This book will be timeless. There’s no better combination than sound principles mixed with real world stories. It’ll be better—and cheaper—than getting an MBA!”

“It is no accident that Koch Inc. has become one of America’s most successful and enduring businesses. A surprisingly entertaining and accessible page-turner, the book provides direct insights that can help anyone realize what they want from their career, their business, their relationships, or their life.”

“Winning is temporary, but principles last. When your life is rooted in the right principles, they guide your decisions, strengthen your character, and impact every area of your life. A principle-driven leader doesn’t just chase success—they build people, endure adversity, and leave a legacy that reaches far beyond the game.”

“Improvisation in life, like music, needs a foundation. Becoming a Principle-Driven Leader provides that foundation with proven principles that guide how we listen, lead, and create something that endures.”

“Without a college degree or a conventional career path, I found my way by applying principles, learning, and contributing wherever I could. The principles covered in this book helped me grow into leadership roles and support others in their success. Becoming a Principle-Driven Leader truly reflects this experience—it’s a practical guide for turning challenges into opportunities for growth.”