Karla Welch is the in-demand stylist behind some of the biggest names in entertainment, from Justin Bieber to Tracee Ellis Ross to Elisabeth Moss. In the first episode of the Life Lessons series, listen to how she got her start in the industry, ramping her way up from scrappy shoots to working on Apple’s memorably iPod commercials and eventually taking on clients as a personal stylist. She’s had a serious effect on celebrity fashion, and she’s also changing the way we get dressed by way of her cool, in-demand collaborations with brands like Levi’s and Hanes.