Elisabeth Robson is a co-founder and principal at WickedlySmart, an author and software developer, and teaches online courses for O’Reilly Media and LinkedIn Learning. She’s the co-author of four best-selling titles—Head First JavaScript Programming, Head First Design Patterns, Head First HTML & CSS, and Head First HTML5 Programming—and was previously the director of special projects and co-director of the Head First series at O’Reilly Media. Prior to her work at O’Reilly Media, Elisabeth was the director of engineering at The Walt Disney Company. Elisabeth holds a master’s degree in computer science from Yale University.