
Before VitaPerk became a stickpack, Brad Kifferstein sold carpet to college students, syndicated real estate and learned product development at Crypton. His enduring idea is equally practical: the easiest routine to build may be the one that borrows a ritual people already keep.

The former banker turned a hand-pressed tablet, an Indian family ritual and a stubborn preference for fewer ingredients into Feather & Bone. A decade in, her most useful business lesson is still the simplest: remove what the customer never needed.