About Julia Casella
Welcome to My Entire Personality!
I’m Julia Casella—beauty marketer and brand advisor. Over the last decade, I’ve helped build and advise some of the most loved beauty and wellness brands in the world (think: Birchbox, Beautyblender, Saie, and so many more).
This Substack is your front-row seat to everything I’m currently obsessed with, from the standout products I actually use (amidst the endless ones I try), to BTS industry insights, travel recs (I’m 100% Italian), and the little luxuries that make life better. When I love something, it becomes my entire personality and now I’m sharing it with you.
I also feature conversations with founders, tastemakers, and beauty insiders I admire where they share what’s become their entire personality.