Kevin Ryan has worked as a chemist and laboratory manager for nearly thirty years. In 2006, Ryan joined the newly formed Journal of 9/11 Studies as co-editor, a position he holds to this day. Ryan has authored or co-authored many articles on 9/11 and has also contributed to several books on the subject. His own book, Another Nineteen: Investigating Legitimate 9/11 Suspects, was released in 2013. He currently serves on the board of directors of the International Center for 9/11 Justice.