Website is undergoing upgrades. Some features are unavailable, however event registration still works.

Dietrich von Seggern

Managing Director at callas software GmbH

Dietrich von Seggern received his degree as a printing engineer, and in 1991 started his professional career as head of desktop prepress production in a reproduction house. He became involved in research projects for digital transmission of print files, and moved to the German Newspaper Marketing Organisation (ZMG). There Dietrich was responsible for a project to enable the digital transmission of newspaper ads. In 2002 he joined callas software as Director of Product Management, and subsequently introduced callas’ PDF/A related products for the archiving industry.

Today, Dietrich is Managing Director at callas software and the Vice-Chairman of the Board and ISO Liaison Officer at the PDF Association.



Dietrich von Seggern

Dietrich von Seggern

Managing Director at callas software GmbH

Dietrich von Seggern

Dietrich von Seggern received his degree as a printing engineer, and in 1991 started his professional career as head of desktop prepress production in a reproduction house. He became involved in research projects for digital transmission of print files, and moved to the German Newspaper Marketing Organisation (ZMG). There Dietrich was responsible for a project to enable the digital transmission of newspaper ads. In 2002 he joined callas software as Director of Product Management, and subsequently introduced callas’ PDF/A related products for the archiving industry.

Today, Dietrich is Managing Director at callas software and the Vice-Chairman of the Board and ISO Liaison Officer at the PDF Association.

AUTHOR OF THE FOLLOWING RESOURCES

PDF 2.0 Application Note 003: Use of object metadata streams March 16, 2021
Application notes PDF Association publication

This free application note summarizes precisely where PDF creators should add XMP metadata to PDF 2.0 objects, and thus where PDF 2.0 processors should search for it.



PDF 2.0 Application Note 002: Associated Files October 26, 2018
Application notes PDF Association publication

The Associated Files feature allows PDF 2.0 writers to provide additional information related to a PDF 2.0 object in a standardized and interoperable machine-readable manner.