"I'd recommend John's book for anyone interested in becoming a better manager." -Bill Gates

"Whether you're a seasoned CEO or a first-time entrepreneur, you'll find valuable lessons, tools, and inspiration in the pages of Measure What Matters. I'm glad John invested the time to share these ideas with the world." -Reid Hoffman, cofounder of LinkedIn and author of The Start-up of You

"Measure What Matters deserves to be fully embraced by every person responsible for performance, in any walk of life. John Doerr makes Andy Grove a mentor to us all. If every team, leader, and individual applied OKRs with rigor and imagination, all sectors of society could see an exponential increase in productivity and innovation." -Jim Collins, author of Good to Great

"John Doerr has taught a generation of entrepreneurs and philanthropists that execution is everything. Measure What Matters shows how any organization or team can aim high, move fast, and excel." -Sheryl Sandberg, Facebook COO and founder of LeanIn.org and OptionB.org

"In this indispensable book, the most important venture capitalist of our era reveals a key to business innovation and success. This crisp and colorful book combines fascinating case studies with insightful personal stories to show how OKRs can add magic to organizations of any size." -Walter Isaacson, author of Steve Jobs and Leonardo da Vinci

"I'm a big believer in John Doerr's simple yet effective OKR system-I've seen it work firsthand! I encourage every business leader to read Measure What Matters in order to learn some real and practical secrets for success." -Anne Wojcicki, founder and CEO of 23andMe

"John Doerr has been the source of management magic for many of the most iconic companies in Silicon Valley that went on to change the world. Measure What Matters is a must read for anyone motivated to improve their organization." -Former Vice President Al Gore

"Measure What Matters takes you behind the scenes for the creation of Intel's powerful OKR system-one of Andy Grove's finest legacies." -Gordon Moore, cofounder of Intel

"Measure What Matters will transform your approach to setting goals for yourself and your organization. John Doerr pushes every leader to think deeply about creating a focused, purpose-driven business environment." -Mellody Hobson, president of Ariel Investments

"John Doerr is a Silicon Valley legend. He explains how transparently setting objectives and defining key results can align organizations and motivate high performance." -Jonathan Levin, dean of Stanford Graduate School of Business

"Measure What Matters is a gift to every leader or entrepreneur who wants a more transparent, accountable, and effective team. It encourages the kind of big, bold bets that can transform an organization." -John Chambers, executive chairman of Cisco

"In addition to being a terrific personal history of tech in Silicon Valley, Measure What Matters is an essential handbook for both small and large organizations; the methods described will definitely drive great execution." -Diane Greene, CEO of Google Cloud