Professionally dedicated to PDF technology since 1996, Duff Johnson is the founder and CEO of Boston-based Document Solutions, Inc. (DSI). Johnson works with hundreds of decision makers and developers worldwide to create and implement business and publishing solutions using PDF.

Johnson chairs AIIM's PDF/Universal Accessibility (PDF/UA) Standards Committee and also serves as vice-chair of the US's ISO-32000 (PDF Reference) Committee. A frequent speaker and panelist, he contributes feature articles on PDF and Adobe Acrobat to several online and print publications.