Steve Marx joined Dropbox in 2013 as their first developer advocate. Dropbox has over 200M users and 100,000 companies subscribe to Dropbox for Business. Dropbox has a popular developer API, but runs a small evangelism team - out of necessity, Steve and 2 others spend most of their time on high impact activities.
Developer Evangelism Panel
Developers are a market. Developers ignore marketing. So how do you grow a developer-centric product? That’s where Evangelism comes in.