Wolfgang Meier is the founder and lead developer of the eXist-db and TEI Publisher open source projects and director of eXist Solutions and JinnTec, which were created by community members to better support professional users of eXist-db and TEI Publisher, respectively. He has contributed to a large number of international academic and commercial projects during the past years. He is a board member of e-editiones and served as an elected member of the TEI Board in the past.