In 2008, the world got a new music streaming service named Spotify. It was developed in Stockholm, Sweden, and provided digital rights management-protected content from record labels and media companies. It may have started out as a local thing, but the freemium service quickly expanded. Today, Spotify has more than 140 million monthly active users and over 50 million paying subscribers.

I had the pleasure of meeting up with Andreas Ehn, who was Spotify’s first employee and CTO. Andreas was responsible for the product and platform architecture as well as hiring a world-class engineering team, of which many have gone on to become successful entrepreneurs on their own.

After Spotify, Andreas founded Wrapp — a mobile online-to-offline customer...