PRAISE FOR LEAN IMPACT Ann Mei shines a light on our need for better solutions that can reach far greater scale. Her compelling book, Lean Impact, shows how this can be achieved by bringing together the best practices, resources, and expertise across business, nonprofits, and government. It will change the way you think about social impact. ?Henrietta Holsman Fore, Executive Director, UNICEF Nonprofit leaders are all too often bombarded with for-profit strategies that simply do not apply to our very different sector. Lean Impact is different. I have already applied some of its lessons, to great benefit, and would recommend it heartily to anyone interested in making social change at scale. ?Anne-Marie Slaughter, President and CEO, New America In Lean Impact, Ann Mei Chang applies an engineering-like mindset to the challenge of achieving positive social impact. This provocative book provides readers a useful way to think about driving change. Her approach should be useful for environmentalists who seek to protect nature at scale?rather than one project at a time. ?Mark R. Tercek, President and CEO, The Nature Conservancy and author of Nature's Fortune > ?Dr. Rajiv J. Shah, President, The Rockefeller Foundation > ?Dr. Carolyn Woo, Former CEO, Catholic Relief Services Lean Impact will help all of us make the world a better place through careful listening, rigorous experimentation, and constant improvement. ?Eric Schmidt, former Executive Chairman, Alphabet