Henning Schwentner is the author of the Leanpub book Domain Storytelling: A Collaborative Modeling Method. In this interview, Leanpub co-founder Len Epp talks with Henning about his background, how he got into programming, the collaborative nature of programming and the importance of developing soft skills, the nature of Domain-Driven Design and Domain Storytelling and their application in the development of sophisticated ship navigation software for the port of Hamburg, the nature German compound words, his book, and at the end, they talk a little bit about his experience as a self-published author.