Bruno Glaser is a professor of Soil Biogeochemistry at the Martin Luther University Halle-Wittenberg in Germany. His research focuses on (i) the identification and quantification of soil processes with special emphasis on carbon and nitrogen stabilization and turnover, and (ii) the management of natural resources and the circular economy. He is an internationally recognized expert and pioneer in Terra Preta and biochar research and technology development with a documented publication and project funds record. Furthermore, he is the CEO of the small enterprise “Biochar Europe”. He has worked in Rwanda, Nigeria, and Ethiopia.