Phillip Marsden is a Sydney-based full-time illustrator from Liverpool, England. He is a regular contributor to magazines such as Kerrang, NME and Elle, has illustrated books such as Kicking Goals (with Adam Goodes), I Can't Remember the Title But the Cover Is Blue by Elias Greig, A Boy Called Bob by Bob Murphy & Tony Wilson and A Footy Girl's Guide to the Stars of 2017 by Nicole Hayes and Alicia Sometimes. Boss Ladies of Sport, Phil's first book in the Boss Ladies series, was published in December 2021.

Phillip regularly hosts drawing workshops for kids.