Kirsten Miller is a groundbreaking feminist author in YA literature, best known for her popular Kiki Strike series. In addition to writing novels, Kirsten spent twenty-five years as a strategist in the advertising industry. During that time she worked for some of the largest agencies in the world, as well as boutique agencies and an eight-person start up. She's proud to have quit at least two of those jobs over ads and incidents described in The Change.