Manuel Reppmann is a post-doctoral researcher at the University of Hamburg. As part of his research, he examines approaches to the sustainability transformation of companies, collaborating with both DAX companies and SMEs on various projects. His research encompasses critical topics, including ESG data, materiality analysis, and the interplay between sustainability reporting and organizational change. In 2022, he received the German Science Award from the EHI Foundation and GS1 Germany. In addition to his academic pursuits, Manuel Reppmann shares his expertise as a freelance consultant for sustainability-related transformation and reporting projects.