Sam Gerstenzang

Founder of Boulton & Watt. Most recently ran Payment UIs for Stripe, co-founded Umbrella (acquired by Angie’s List), incubated companies for Sidewalk Labs, invested at a16z and so on.

Before I was on Substack, I was on Medium writing things like this:

• The right way to start a company

• 17 lessons I learned in 2017

• …and more.