The Two Best Videos on Customer Development

Mark Horoszowski

Mark Horoszowski is the co-founder and CEO of

If you’re already familiar with the “Customer Development”  concept -made famous by world-reknown entrepreneur and education Steven Blank – then this video will take it to a whole new level.

If you’re unfamiliar with the term, then you’ll see why it is being used as the best process to help turn startup ideas into successful businesses (Yes, it’s a long video, but it’s the best time investment you can make as an entrepreneur).

As follow-up to this video, read this article in the Harvard Business Review about customer development and lean startup methodologies titled “Why the Lean Startup Changes Everything

And to learn still more about customer development, watch this talk from Eric Reiss who used customer development principles to develop the Lean Startup Methodologies


For quick reference, here is the customer development process:


And if you’re inspired by it, print the Customer Development Manifesto and put it on your wall:

Customer Development Manifesto