The untold narrative of our era is that there are yet untraveled paths to tread and new discoveries to uncover in the world of artificial intelligence (AI). In Grow Up Fast: Lessons from an AI Startup, Zach Rattner, an entrepreneur who journeyed from being a corporate employee to a startup founder, reveals how we can navigate this relatively unknown terrain to create novel leadership and management solutions.

Zach, CTO and Co-Founder of the AI startup Yembo, offers an honest and enlightening perspective on the journey of building a startup in the rapidly evolving field of AI.

This book isn't about quick success or easy wins; instead, it emphasizes the importance of adaptability, patience, and resilience in the face of unexpected hurdles.

It's a guide for those who are eager to venture into the world of AI, based on Zach's own trials and triumphs.

Zach opens with the transformative concept that in the realm of AI startups, uncertainty and discomfort are not hurdles but catalysts for growth. While many may be blinded by the allure of cutting-edge technology and rapid development, Zach argues that progress should not be confined to established tech hubs or pre-defined paths. Every industry, every business holds the potential for evolution.

It is all rooted in one crucial capability that every leader must cultivate: the power to question, learn, and adapt.

The book includes key lessons learned:

The importance of questioning assumptions
The value of diversity within a team
The traps and benefits of feedback
The beauty of constraints

Zach shows us that getting comfortable with discomfort, effectively managing uncertainty, and empowering teams are critical elements in a startup's progression.

Grow Up Fastbrings forth both an invigorating vision of future growth in the AI sector, and a fresh approach to understanding innovation: it all begins by asking the right questions which then lead you to discover untapped potential.

Zach's experiences and insights serve as an inspirational compass for those eager to embark on their own entrepreneurial journey in the captivating yet intricate world of AI startups.

Product details

ASIN ‏: ‎ B0C9SF8JXJ
Publication date ‏ :‎ July 6, 2023
Language ‏: ‎ English
Print length: ‎ 276 pages
Item Weight: ‎ 11.4 ounces
Dimensions: ‎ 5.5 x 0.63 x 8.5 inches

Ratings & Reviews

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Jason Z

(

5.0

)

A Must-Read Management Gem: Humor, Wisdom, and Practical Insights

Such a great read! This book is funny, lighthearted, and brimming with valuable advice. If you're in any management role, this is a must-read. It's deeply encouraging and leaves you with a heightened sense of determination to enact positive changes. The real-life stories illustrate simple, actionable steps that anyone can take to benefit their employees or company. I've already started embracing many of the suggestions. The author's approach to breaking down problems and addressing challenges is both remarkable and rooted in simple, common sense. It really makes you think about how you are currently doing things. The chapters are concise and filled with fun illustrations and graphics, ensuring readers remain engaged. I don't think I've ever read through a business book so quickly. It's earned a spot on my bookshelf right next to classics like "Good to Great" and "The 7 Habits of Highly Effective People."

March 17, 2026

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USA

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Steven Quintana

(

5.0

)

Amazing and thought provoking life lessons from the start-up founder perspective!

I just finished reading Grow Up Fast and cannot recommend it enough! The book peels back the curtain into Zach's journey from his time as a Software Engineer at Qualcomm, to the beginnings of his company Yembo and where it is today. Zach writes Grow Up Fast in a way that is easy to digest while presenting challenging and thought provoking ideas, with a bit (maybe more than a bit) of his humor sprinkled in. Personally, as someone who has switched careers to software development, I loved getting to hear stories from employees about their journeys. It's clear from their testimonials that an awesome culture has been built and something right is going on over at Yembo! If you are working in a start-up looking for lessons learned through trial and error, a manager looking for fresh perspective, a new or seasoned Software Engineer, or just anyone looking for some practical life lessons (hint: 'The Two Minute Rule'), then this is definitely a book to read in the new year!

March 17, 2026

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USA

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Phillip Hunter

(

5.0

)

Insightful and thoughtful

A worthwhile exploration of the journey from deciding to pursue the dream of creating a company through the details large and small to make it reality. Fast-paced, humble, and contemporary. A good mixture of founder story, lessons learned, personal growth, and pragmatic idealism.

March 17, 2026

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USA

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William Fr

(

5.0

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Leadership, Growth and Resilience

"Grow Up Fast" is a game-changer guide for both aspiring and seasoned leaders striving to grow and navigate life’s business challenges with resilience and determination. The book is filled with ideas and insights on leadership, personal growth, teamwork, and overcoming adversity. As I read, I couldn’t help but take notes—over 80 key ideas that I’m excited to revisit and apply to my own business journey.

March 17, 2026

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USA

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Nadia Groen

(

5.0

)

Worth reading

This book is worth your time. I read it a few months ago and still go back to it. As a newly founder myself, I learned some practical ways to look at company growth, team, and mindset.

March 17, 2026

(

USA

)

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Question. Learn. Adapt.