Industry Working Groups


The various Working Groups of the PDF Association reflect the diverse range of subjects and constituencies we serve. Community activities include:
- Promoting exchange between developers focusing in various subdomains
- Oversight and policies for industry-accepted validation software such as veraPDF
- Research and development of new PDF extensions and use cases
- Development of industry standards, best practices, test suites and other aides to interoperability
- Developing informational resources for PDF developers and users
Technical Working Group (TWG)
Defining the future of the PDF imaging model.
Chaired by Peter Wyatt

Co-chaired by Leonard Rosenthol
Accessible PDF, including oversight of ISO 14289.
Chaired by Matthew Hardy

Co-chaired by Klaas Posselt
Liaison Working Group (LWG)
Developing common understandings and a standard reference model for the … Read more
Chaired by Jaime Yoon

Co-chaired by Dongsun Nam
Formalizing common understandings on processing tagged PDF.
Chaired by Paul Rayius

Co-chaired by Zak Kinsey
Developing techniques and examples for accessible PDF.
Chaired by Jochen Fehling,Markus Erle


Co-chaired by Birgit Peböck,Zak Kinsey
Marketing Working Group (MWG)
The PDF/UA Marketing Working Group (MWG) provides resources for software … Read more
Chaired by Zak Kinsey

ISO / ANSI Standards Groups
Technical Advisory Group establishing the US position for TC 171 … Read more
Chaired by Duff Johnson
