Mark Squirek has written for Hogan’s Alley, Comic Book Marketplace, Comics and Games Weekly, Backstreets, Hittin' the Note, and other magazines in comics and music. For over ten years he wrote the weekly column "Cover Story" for the industry newsletter Scoop. An advisor to the Overstreet Comic Book Guide for over 15 years, he has interviewed Julie Schwartz, Harlan Ellison, Marv Wolfman, Jerry Robinson, Murphy Anderson, Nils Lofgren, and many more artists and writers.
A graduate of Second City Players Workshop, he saw his play Unions recognized by The Maryland State Arts Council in 2015. In 2006 Broadway World named him Playwright of the Year for his one-act Sod.