This is an episode of our podcast, Problem Solvers. Each week, an entrepreneur reveals how they overcame an unexpected problem in their business — and were happier and more successful as a result. The show is hosted by Entrepreneur’s editor in chief, Jason Feifer. Listen below, or subscribe on iTunes, Google Play, Stitcher, or wherever you get your podcasts.

Glenn Kelman thought of himself as a software guy. Then he became CEO of a real-estate company called Redfin, but insisted on seeing it as a software company. Confusion reigned. Cultures clashed. For Kelman, it would come to highlight an often-unspoken business challenge: Entrepreneurship means exploring unknown paths, sometimes leading entrepreneurs to a very different place from where they started. The result can challenge not just their business philosophies but their very sense of identity.

Hear more about Kelman’s story in this week’s Problem Solvers.