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Giff Constable

I’ve spent 25 years building new companies and new products as a founder, CEO, product leader, advisor and investment banker. Most recently, I was the Chief Product Officer at Meetup. All opinions and writing on this site are my own.

My award-winning books are used by entrepreneurs and innovation teams around the world to improve how they learn from customers and vet their ideas.

Books

“Talking to Humans is the perfect complement to the existing body of work on customer development. If you are teaching entrepreneurship or running a startup accelerator, you need to make it required reading for your students and teams. I have.” — Steve Blank

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“Testing with Humans is the ideal follow-up to Talking to Humans. All the steps for designing, building, and launching experiments are here, along with a host of examples and great advice born of real experience.” — Eric Ries

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Celebrating our award from the National Science Foundation for Talking to Humans