How Rorra Built an 8-Figure Water Filter Brand in Its First Year | Brian Keller & Charlie Carlisle

One Day with Jon Bier · Sep 24, 2026 · 55m

The water filter category hasn't meaningfully changed in forty years. Every pitcher looked the same. Every one was made of plastic. Nobody could tell you what was actually in your water, or what the filter was actually removing.

Jon Bier sits down with Brian Keller and Charlie Carlisle, co-founders of Rorra, the brand reimagining water filtration from the ground up, for a conversation about what happens when personal experience turns into a company. Brian's daughter Aurora developed eczema with no known cause shortly after birth. Charlie faced lead contamination in Denver's water supply. They…