The XBRL Standards Board (XSB) is responsible for managing the production of the consortium’s technical materials.  It is charged with setting priorities for the creation of new material and ensuring all material is of a uniformly high quality, with the goal of accelerating adoption of XBRL around the world.

The XSB manages the work of technical working groups which are responsible for developing and maintaining the standard which are Base Specification and Maintenance, Rendering, Formula, and Versioning.  The XSB also manages the work of domain specific working groups which are focused on Global Ledger and Corporate Actions.

For information on how to get involved with the XSB or the XSB Working Groups please visit Get Involved.

The XSB can be contacted using xsb@xbrl.org.

Richard Bössen


Richard Bössen is a digital reporting XBRL expert and joined the EFRAG staff in April 2023 and is responsible for the development of digital sustainability XBRL taxonomies (ESRS and Article 8). Before Richard joined EFRAG, he was Head of XBRL at AMANA consulting and with his team he developed the XBRL Engine and XBRL reporting software solutions for large, listed companies, audit firms and supervisory authorities.

David Bell

Austin Matherne

Austin Matherne is a staff engineer at Workiva, where he serves as the technical lead for the open-source XBRL platform, Arelle. In this role, he is responsible for charting the long-term technical strategy and direction of Arelle as well as overseeing the development and maintenance of many of Workiva’s internal XBRL services.

With over a decade of experience in the XBRL space, he excels at translating XBRL specifications into robust, functional software. He is also dedicated to mentoring engineers who are new to the XBRL domain.

Johan Walters

Michal Zubrycki

Michal Zubrycki is the Head of Standards at BR-AG. He advises public institutions (regulators and supervisors), software vendors and reporting institutions on implementation of information exchange solutions utilizing XBRL technologies. He has extensive knowledge in the areas of development, implementation and quality assurance of electronic dictionaries and taxonomies. Michal has the expertise in various other electronic formats, including SDMX for statistical data exchange, as well as ISO 20022 widely used in the transactional reporting in the securities space and in payments.

Michal is also contributing to the field of global standardization in the financial markets, through its memberships in the Banking Financial Services Technical Committee under Polish Normalization Committee, as well as in the SC9/WG4 “Revision of ISO 20022” under ISO Technical Committee 68.


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