Mark Cuban: "Principles is the book I wish I had as a young entrepreneur, stressing over not knowing what I didn't know."

Tony Robbins: "I found it to be truly extraordinary."

Arianna Huffington: "Beautifully written and filled with such wisdom."

Michael Bloomberg: “Ray Dalio’s market acumen is legendary, but it was creating and living by a set of principles that allowed him to reach the top. Everyone with goals and dreams can learn from Ray’s approach.”

Reed Hastings: "Principles had a profound positive impact on my leadership style."

Jack Dorsey: "Principles is helpful in showing people how to operate by clearly articulated and shared principles that lead to faster progress."

Tim Ferriss: "I highly recommend this book. It has already changed how I think about making decisions in my life and in my business, how I think about managing, how I think about managing, how I think about communications between teams."

Kevin Systrom: "I was blown away. It’s both a guide to life, a guide to business, and also I think an insight into Ray and someone who’s built an amazing business."

Naval Ravikant: "As with most non-fiction, the meat was in the beginning."

Brian Chesky: "Bob's book is great and he's an excellent CEO."

Alexis Ohanian: "One of the best leadership books I've read.

These usually disappoint, but I actually came away with some good leadership notes and new appreciation for what Iger pulled off in his tenure as Disney CEO."

Michael Bloomberg: "Bob Iger's story is a testament to the idea that in America, if you work hard and pursue a dream, you really can achieve it."

Karlie Kloss: "I really admire Bob [Iger] and his opinions"

Tim Ferriss: "The negotiation stories with Steve Jobs alone make this book worth the read."

Jason Calacanis: "I like these stories of executives from the 80s and 90s before the internet, because you can really see how those media companies were built"

Bill Gates: "Unlike most books on leadership, this one is worth your time."

Arianna Huffington: "A must read!"

Bill Gurley: "Historically important book that will hopefully stand as a critical catalyst to change in our industry."

Melinda Gates: "For decades, powerful men have responded to sexism in tech by saying, “It’s always been this way.” What they mean is, “It will always be this way.”

Emily Chang's book proves that the first statement is wrong. And we don't have to accept the second."

Michael Bloomberg: "An important new book about gender equality in Silicon Valley"

Aaron Levie mentioned 'Brotopia' on Twitter.

Warren Buffett: "I’ve always had Paul Volcker up on a special place, special pedestal in terms of Federal Reserve chairmen over the years.

We’ve had a lot of very good Fed chairmen, but Paul Volcker, I had him at the top of the list”

Ray Dalio: "Paul Volcker is an American hero who has seen more and done more to shape the world economy than anyone else over the last 50 years. His memoir _Keeping at It _is a must read."

Michael Bloomberg: "The book highlights Paul’s extraordinary career and personal integrity, as well as his belief in the need for better governance – and I couldn’t agree more."

Michael Bloomberg: "If you’ve ever dreamed of changing careers or changing the world, read this book.”

Seth Godin: "Scott Harrison’s new book is called Thirst. It’s the autobiography of charity: water."

Arianna Huffington: “Scott Harrison's Thirst is a hope-filled book about finding your purpose in life and pursuing it against all odds.

From the many unbelievable stories Harrison shares from the field, to the moments when charity: water’s survival was in question, this book will inspire you to believe that you are more than the obstacles life has put in your path, and the world is more generous than it often seems.”

Michael Bloomberg: "You don’t want to miss Ken Auletta’s new book 'Frenemies' – a provocative look at the ongoing shift in global advertising and what it means for the future of media"

Alexis Ohanian: "One of the best books I've read [in 2018]. Frenemies kept getting recommended to me by people I respected and it didn't disappoint."

Michael Bloomberg: "Throughout his career, Howard Marks has been a standout voice in the world of finance because he steps back and asks the right questions."

Bill Gurley recommends reading every book by Howard Marks for learning the basics of investing.