The popular conception of Silicon Valley is that it’s inhabited by 20-somethings who play Ping-Pong, eat free snacks, and code apps late into the night.

But there is another Silicon Valley, occupied by adults with families, adults who work relatively normal hours at their third or fourth start-up, putting hard-won experience and skills to good use. In some cases, they’re doing the best work of their professional lives.

Read this Barron’s article by Tiernan Ray here.