Subir Chowdhury has collaborated with a who’s who of leadership pioneers C.K. Prahalad, Sumantra Ghoshal, Noel M. Tichy, Don Tapscott, Rosabeth Moss Kanter, Chris Bartlett, Peter Senge, Jim Kouzes, Warren Bennis, Edgar Schein, James Champy, and Philip Kotler.

“Nobody knows quality like Subir Chowdhury, and The Power of LEO reveals the elegant new approach he has pioneered with the world’s top companies. I couldn’t recommend this book more.”
—   Marshall Goldsmith, author of the New York Times bestsellers MOJO and What Got You Here Won’t Get You There

“The Power of LEO will be beneficial to any organization that utilizes its principles and incorporates them into their culture. Subir Chowdhury’s LEO is guaranteed to produce results.”
—   Michael King, CEO and National President, Volunteers of America

“A no-nonsense book full of real-life case examples, practical tips, and proven strategies. If you’re looking to make quality a way of life, this is definitely the book for you.”
—   Jim Kouzes, coauthor of the bestselling The Leadership Challenge

“We have applied LEO in my hospital and it works. Subir Chowdhury’s book will serve as a powerful reminder to the healthcare industry that its primary goal is to develop, enhance, and delight its most important customer: the patient.”
—   Mark L. Rosenblum, M.D., Chair, Department of Neurosurgery, Henry Ford Health System, and Vice President of Clinical Programs, Henry Ford West Bloomfield Hospital

“Most management strategies are great in theory. But how does a line executive put it to use? The Power of LEO shows us how in practical, down-to-earth terms and anecdotes. A most useful read!”
—   Jim Lawrence, CEO, Rothschild North America and former Vice Chairman and CFO, General Mills

“If you read only 1 management book this year, make it Management 21C.”
—    Dean, London Business School

“Chowdhury’s Handbook … a must-read for success in entrepreneurship.”
—  Narayana Murthy   Chairman of the Board and Chief Mentor, Infosys

“Subir Chowdhury does a masterful job of describing how Six Sigma works in an organization.”
—  Chairman of the Board, Caterpillar

“Chowdhury is very intense, very prolific, has PASSION for Quality…… I don’t know many people who have that drive.”
—  J.D. Power III, Founder and Chairman     J. D. Power and Associates

“Chowdhury’s Organization 21C……..a must for your bookshelf.”

—  R. Gopalkrishnan, Executive Director, Tata Sons

“Chowdhury provides the leader with a special insight into the whys and how to of accomplishing this important task.”
—  C. William Pollard, Chairman, The ServiceMaster Company

“Management 21C extremely stimulating and is fabulous at guiding the reader through the minefield of management.”
—  Anita Roddick, Founder, The Body Shop, Inc.

“The Power of Six Sigma is fast and worthwhile reading.”
—  CEO, General Motors Corporation

“Subir Chowdhury’s classic handbook represents the cutting edge on thought leadership that is an essential read for academics and managers.”
—  President, IMD Switzerland

“For today’s managers and leaders, Chowdhury’s handbook is a valuable source of new thinking on today’s fundamentals of management.”
—  James A. Champy, Chairman of Consulting, Perot Systems, Co-author, Reengineering the Corporation

“… a valuable resource for emerging leaders.”
—  John J. Donahoe, Worldwide Managing Director, Bain & Company

“Chowdhury’s book should be mandatory reading for anyone entering the workforce.”
—  Steve Walukas, Vice President, Corporate Quality, Daimler Chrysler Corporation

“With this important and outstanding new book, Subir Chowdhury drives home the need for today’s businesses to understand their customers before trying to service them.”
—  Roxanne O’Brasky, President, International Society of Six Sigma Professionals (ISSSP)

“This is an essential book for the leader of the future, written by great thought leaders whose vision of the future challenges and inspires.”
—  Frances Hesselbein, Chairman and Founding President, The Peter F. Drucker Foundation

“For those who see the world as connected, this landmark book offers significant insights in how to design together, build together, and lead together.”
—  Bill Bellows, Technical Fellow, The Boeing Company

“We have and are practicing the methods and teachings in this valuable handbook, it simply works.”
—  Aly A. Badawy, Vice President, TRW Automotive

“Increasingly, large institutions and the networks that interconnect them shape our world, for better and for worse. It is no exaggeration to say that our future depends on their collective intelligence: to see beyond narrow definitions of their interest and to innovate in products and processes commensurate with the health of living systems, large and small. The real work is just now starting and Subir Chowdhury’s superb anthology is a great place to begin in grasping its depth and breath.”
—  Peter M. Senge, Founder, Society for Organizational Learning, M.I.T., Author, The Fifth Discipline

“Chowdhury’s Handbook is a blessing for the future leaders in our increasingly diverse and rapidly transforming world.”
—  Eleanor Josaitis, CEO & Cofounder, Focus: Hope

“This compelling handbook weaves the best thinking on contemporary leadership and business strategies into a cogent, practical and stimulating framework for all of us on a leadership learning jour.”
—  Robert G. Riney, Chief Operating Office, Henry Ford Health System

“The Power of Six Sigma will promote buy-in within all levels of the organization, as it breaks down what can be a complicated topic into an easy-to-under­stand, enjoyable read. This book will become a source code for those who want to understand and execute Six Sigma successfully.”
—  Dave Ulrich, Leading authority in HR and Professor of Business, University of Michigan

“Subir Chowdhury’s mission is to make quality part of America’s corporate DNA. The Ice Cream Maker is a great step on the path to this end.”
—  Ken Blanchard, Co-author, The One Minute Manager

“… exceptional accomplishments through professional achievements and leadership, civil participation, responsible citizenship, and demonstrates outstanding commitment to the United States.”
—  Resolution by Governor Jennifer Granholm, Lt. Governor John Cherry, State of Michigan 

“Your contributions in the fields of engineering and business have made a significant impact across many industries.  Your exceptional achievements as a global citizen make you a source of pride for Michigan”
—  Senator Carl Levin