How I Built This with Guy Raz

Briogeo: Nancy Twine

In 2010, a tragic personal event changed the trajectory of Nancy Twine's life. Suddenly, her promising job on the trading floor at Goldman Sachs no longer seemed fulfilling; she wanted something more. Drawing inspiration from the homemade hair treatments she used to make with her mom, Nancy decided to create a line of shampoos and conditioners that catered…