"Fred Reichheld is at the forefront of helping organizations understand the importance of customer loyalty in driving performance. All companies should ask their customers what Fred calls 'the ultimate question'."
- Ken Chenault, CEO, American Express
"Fred Reichheld is the Godfather of customer loyalty. His new book continues to push the edge with innovative, practical ideas. I recommend The Ultimate Question to friends, colleagues, and all business leaders with enthusiasm."
- John Donahoe, President, eBay
"The Ultimate Question reveals a radically simple, but incredibly valuable, formula for achieving profitable growth. Every business should test itself against this measure and use the wisdom in this book to pass the exam."
- Jack Brennan, CEO, Vanguard
"The Ultimate Question yields a powerful metric to promote golden-rule behavior and generate profits a company can be proud of. Hats off to Reichheld for a compelling argument, lucid prose, and actionable concepts that every manager can immediately put to use!"
- Lynn Paine, professor, Harvard Business School