PDF/UA, and especially, it's translation into an algorithm via the Matterhorn Protocol, provides a technical roadmap to achieving accessible electronic documents using PDF 1.7 (ISO 32000).
To help promote the efforts of software developers who commit to supporting PDF/UA, Duff Johnson, the PDF/UA US Committee chair since 2005, maintains a list of software with PDF/UA functionality in addition to an informal (but complete) history of major developments in PDF/UA.
The PDF Association is the meeting-place of the PDF industry. The staff of the PDF Association are dedicated to delivering the information, services and value the members have come to expect. Staff members of the PDF Association include: Duff Johnson (Chief Executive Officer) Thomas Zellmann (PDF Evangelist) Matthias Wagner (Operations Director) Alexandra Oettler (Editor) Nicole Gauger (Editor)