The main purpose of a TEI Workgroup is to formally recommend extensions or modifications to the TEI Guidelines. The following workgroups are currently under active under the aegis of the TEI Council:

Personography Workgroup

Chartered in January 2006; chaired by Matthew Driscoll.

Physical Bibliography Workgroup

Chartered in May 2004; chaired by Murray McGillivray.

The following workgroups have concluded their activity:

Character Encoding Workgroup

Chaired by Christian Wittern; completed its recommendations in January 2005.

Metalanguage Workgroup

Tasked to produce recommentatiosn on the XML vocabulary and other mechanisms used to encode the Guidelines. Chaired by Sebastian Rahtz; completed tasks in February 2005.

Migration Workgroup

Tasked to produce recommendations on conversion of legacy TEI data from SGML to XML. Chaired by Chris Ruotolo; completed tasks in January 2005.

Stand-Off Markup Workgroup

Chaired by David Durand.

Manuscript Description Task Force

Completed December 2005.