Kerstin Ulf (Advert)

In August 2019, Kerstin Ulf (Advert) was named brand and marketing director for Protect Our Winters, a nonprofit based in Boulder that works with athletes, thought pioneers and forward-thinking business leaders to affect systemic political solutions to climate change. Kerstin previously worked at Crispin Porter + Bogusky and Levi Strauss. She is a passionate backcountry skier and mountain biker.