Dr. Carlos J. Álvarez-Gallego holds a degree in Chemistry from the University of Cadiz in June 1996 and received a Distinction Award. He earned his PhD from the University of Cádiz in April 2005. He has been a Professor at the University of Cádiz since December 2000. He has been a Tenure Professor since December 2016. He has been member of the "Applied Engineering to Bioprocesses" research group (TEP-993) since May 2023. Previously, he was a member of the "Environmental Technology" group (TEP-181) of the Andalusian Research Plan, since 1997. His main lines of research include biological treatment through anaerobic digestion and composting of wastewater and solid waste for the production of biomethane, biohydrogen, and volatile fatty acids. In recent years, he has begun work on a production line for bioplastic precursors (polylactic acid and polyhydroxyalkanoates) and other bioproducts from acidogenic effluents rich in volatile fatty acids.