Duff Johnson
Chair of these communities: US TAG | TC171 SC2 US WG8 PDF | TC171 SC2 US WG9 AccessibilityDuff started working with PDF in 1996 when he founded Document Solutions, Inc. in Oakland, California.
Today, as CEO of the PDF Association, Duff coordinates industry activities in support of PDF technology.
Duff also serves in technical roles as Project Leader for ISO 14289 (PDF/UA) and as Project co-Leader for ISO 32000 (the PDF specification). He chairs the US Technical Advisory Committee (TAG) for ISO TC 171 SC 2, and serves as its Head of Delegation.
He can be reached at duff.johnson@pdfa.org.
Duff Johnson's Publications
Article December 15, 2017
PDF files deliver a complete package of information that defines a document; everything that’s needed to represent the text, graphics … Read more
News, PDF Association news December 13, 2017
Earlier in 2017 both the US Library of Congress and NARA joined the PDF Association as Liaison members, an option available to non-profit … Read more
Article December 8, 2017
What is a “document”? A document is a record of some (typically written) content – a publication, a contract, a … Read more
News December 7, 2017
SD Times, a leading periodical targeting systems and application developers, has featured PDF in its December 2017 publication. The journalists … Read more
News November 30, 2017
PDF 1.7, the final Adobe edition of the PDF specification, was published in 2006, and converted to an ISO standard … Read more
Article November 14, 2017
It’s a question that vexes vendors of web-based solutions everywhere: why do people still insist on PDF files? And why … Read more
Article August 30, 2017
The Portable Document Format is perhaps the most common example of a de facto standard, so much so that Wikipedia … Read more
Article February 28, 2017
As we reported yesterday, those in the crypto world are well-aware that Google and others have proven that SHA-1, the … Read more
News February 17, 2017
The veraPDF consortium has completed PREFORMA’s prototyping phase, and has been awarded the contract for the final six month testing … Read more