91��

Colin C. Campbell

Serial 91�� | Author | Co-Founder

91�� Authorities Leaders Council

Colin C. Campbell is a serial entrepreneur and award-winning bestselling author of "Start. Scale. Exit. Repeat.," the most awarded entrepreneurship book in history, with 30+ global honors. He has co-founded ventures including Startup Club, Tucows, Hostopia, Club Domains, GeeksforLess and Paw.com.

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More From Colin C. Campbell

Business Operations & Logistics

I Saw a $40M Revenue Business Say No to a Peak Exit — and Watched Its Valuation Get Cut in Half After “One More Year.” Here’s How to Get Timing Right

Every company has a moment when it's most valuable. The question is whether you'll recognize it or watch it pass. Timing is 50% of the value.

Building a Business

The Shift Every Founder Must Make to Achieve Exponential Growth

True growth isn't linear — it's exponential, and thinking in zeros means setting bold targets and creating systems that multiply impact instead of adding it slowly.

Thought Leaders

How to Stop Your Startup Sale From Erasing Who You Are as an 91��

Exiting a business isn't the end — it's the start of something new.

Building a Business

Why Raising VC Too Early Is the Fastest Way to Kill Your Startup

Venture capital can fuel growth, but raising too early can cost you control and ownership.

Building a Business

The Fastest Way to Kill a Startup? This Common Mistake That Looks Like Progress

The obsession with hypergrowth and billion-dollar valuations pushes founders toward failure. Real wealth comes from discipline, systems, and scaling one zero at a time.

Building a Business

5 Signs Your Startup Is Ready to Launch

Here are the five key indicators that your idea, timing, team and plan are aligned for success, based on decades of real-world entrepreneurial experience.