Why most people are only giving 70%—and what happens at 100% | John Amaechi for Big Think+

Become a Big Think member to unlock expert classes, premium print issues, exclusive events and more“The voice in your head is not you. You are listening to that voice. It’s a heckler, trying to make you feel bad.”

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John Amaechi knows what it takes to go from overlooked to unstoppable. The NBA veteran and psychologist reveals the mindset behind his success—how mastering the mundane, handling setbacks, and focusing on small, deliberate actions led him to achieve the extraordinary.

Success isn’t about talent—it’s about paying the FEE: Focus, Effort, Execution.

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About John Amaechi:

John Amaechi OBE is a world-renowned organizational psychologist, bestselling author, and Professor of Leadership at the University of Exeter Business School. As the founder of APS Intelligence Ltd., John leads a global team that transforms leaders and cultures by combining cutting-edge behavioral science with psychological insight. His bespoke programs aren’t about quick fixes—they drive sustainable growth, ethical leadership, and organizational well-being.

From his roots in Stockport, near Manchester, to becoming the first Briton to play professional basketball in the NBA, John’s personal journey exemplifies resilience and ambition. Inspired by his mother’s words—“The most unlikely of people in the most improbable of circumstances can become extraordinary”—John has spent his career challenging expectations and helping others unlock their potential. An adviser to FTSE 100 boards, a LinkedIn Top Voice, and the recipient of the Sport Industry Integrity and Impact Award, John is recognized as one of the most influential voices in leadership and organizational culture. His bestselling book, The Promises of Giants, inspires leaders worldwide to embrace authenticity, drive ethical change, and create lasting legacies.