Peter-Paul Koch is a mobile platform strategist, browser researcher, consultant, and trainer in Amsterdam, the Netherlands. He specializes in the mobile web, and especially mobile browser research. Peter-Paul has written the book ppk on JavaScript, several articles for A List Apart and Digital Web Magazine, and has presented at several conferences. He also founded Fronteers, a Dutch trade association for front-end engineers.

• QuirksMode.org
• @ppk