21: Flatiron Health Co-Founder Zach Weinberg on disrupting industries without expertise, the importance of customer development, and early stage investing.
Zach Weinberg co-founded and sold two companies for a total of ~$2Bn by the age of 32. Today, he spends most of his time investing and opening bars in Brooklyn. Zach explains why customer development is critical, how to run a 2-sided marketplace, and when it makes sense for a startup to buy another company.