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Bastian Buck


​The Reporting Standard Department is responsible for the ongoing maintenance, development, implementation and enhancement of GRI’s Sustainability Reporting Framework.
​Bastian has worked in various capacities for GRI since 2006, after graduating from Erasmus University Rotterdam with a Master in Business Administration, focusing on sustainable development. He has in-depth institutional knowledge of GRI’s technical development history and played a key role in the successful development and launch of GRI’s G4 Guidelines in 2013. He became Director Reporting Standard Department in December of the same year. Since that time has led the introduction of the GRI Standards in 2016.

Bastian has presented and lectured on sustainability reporting in more than 30 countries and has a vast experience in the moderation of consensus-seeking processes and the facilitation of international multi-stakeholder expert working group procedures.​