As a so-called bathroom break girl at the advertising agency BBDO in 1985, Susan Credle took over for receptionists when they left their desks. When she learned how to type quickly and accurately, she was promoted to secretary. In the decades since, she has become one of the most accomplished women in the industry, holding top executive positions at some of the most esteemed creative agencies. She has been behind numerous memorable campaigns, including the humanlike M&M’s characters and Allstate’s Mayhem ads.
Read more in The New York Times.