Jose Miguel Nieto is Full Professor of Crystallography and Mineralogy in the Department of Earth Sciences at the University of Huelva. B.Sc. in Geology (1991) and Ph.D. in Geochemistry (1996) from the University of Granada, he received the First National Award Honours Degree and the Doctoral Award. He was Postdoctoral Researcher at the Max-Planck Institute for Chemistry (Germany) supported by the Spanish Ministry of Education and Science (1996) and the European Union (EU) Marie Curie Postdoctoral Fellow Programme (1997-1998). Since arriving at the University of Huelva in 1999, Dr. Nieto’s research has been focused on the mineralogy and geochemistry of Acid Mine Drainage with particular emphasis on the Iberian Pyrite Belt. He has directed and collaborated on numerous research projects including serving as principal investigator (PI) for 12 projects financed by the Spanish Government and 9 projects financed by the EU. He has also participated in many research contracts with companies and organizations (serving as PI in 15), and is the author of more than 150 papers (132 published in peer-reviewed ISI journals, > 90% in Q1+Q2). He has supervised 15 Doctoral theses and is Co-Director of the Master Programme in Geology and Environmental Management of Mineral Resources at the University of Huelva and the International University of Andalusia.