21 Days to a Big Idea!: Creating Breakthrough Business Concepts book cover

21 Days to a Big Idea!

Creating Breakthrough Business Concepts

Bryan Mattimore
3.51(88 Reviews)

Overview of 21 Days to a Big Idea!

Unlock your creative genius in just 21 days! Bryan Mattimore's breakthrough method, endorsed by startup guru Bob Dorf, has helped Fortune 500 giants like Kraft and Pepsi generate over $3 billion in new sales. What's your "Worst Idea" that might become your million-dollar opportunity?

Key Themes in 21 Days to a Big Idea!

  • ideation techniques
  • problem identification
  • creative visualization
  • innovation frameworks
  • systematic brainstorming

Quotes from 21 Days to a Big Idea!

  • Innovation isn't just for the naturally gifted—it's a skill anyone can develop.

  • Einstein claimed he'd spend 55 minutes defining a problem and only 5 minutes solving it.

  • What's the problem?

  • The close observation of little things is the secret of success.

  • When one door closes another door opens.

Characters in 21 Days to a Big Idea!

  • Bryan MattimoreAuthor and innovation workshop creator
  • Bob DorfColumbia Business School professor
  • Izhar GafniIsraeli inventor of the cardboard bicycle

About the Author

About the Author of 21 Days to a Big Idea!

Bryan W. Mattimore, author of 21 Days to a Big Idea, is an innovation strategist and ideation expert who has shaped corporate creativity for Fortune 500 giants like Pepsi, Sony, and Unilever. He specializes in business psychology and entrepreneurial thinking, and his book distills decades of hands-on experience into a practical guide for developing breakthrough concepts.

A Dartmouth-educated psychologist, Mattimore co-founded the Growth Engine Company, where his facilitated brainstorming sessions and innovation projects have driven over $3 billion in annual client revenue.

His methodology combines behavioral science with real-world applications, reflected in his earlier works Idea Stormers: How to Lead and Inspire Creative Breakthroughs and 99% Inspiration—the latter selected as the American Management Association’s Book of the Year.

As a Senior Fellow at The Conference Board and instructor at Caltech Executive Education, Mattimore trains leaders in systematic creativity. His frameworks are implemented by organizations worldwide, with 21 Days to a Big Idea serving as both a standalone resource and companion to his innovation game Bright Ideas.

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@Chloe, Solo founder, LA
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117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw
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"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum
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108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC
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254
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17

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore
platform
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"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful
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@OojasSalunke
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"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn
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"Makes me feel smarter every time before going to work"

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"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn
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"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA
platform
comments
12
likes
117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw
platform
star
star
star
star
star

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum
platform
comments
12
likes
108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC
platform
comments
254
likes
17

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore
platform
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star
star
star
star

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful
platform
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"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

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"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

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"It is great for me to learn something from the book without reading it."

@OojasSalunke
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"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn
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37
likes
483

"Makes me feel smarter every time before going to work"

@Cashflowbubu
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