Kathleen Marinaccio is a comic book letterer, a Professor at Otis College of Art and Design, and the Founder Fishbrain, LLC, a LA based design firm. Kathleen is currently Director, Design Services at Warner Bros. Media Research & Insights. She lives in Los Angeles, CA with her partner Dana Moreshead and their two children.

Kathleen's comic career began in 1994, designing packaging and style guides for Marvel Comics.