Juan Francisco Martín is an Emeritus Professor of Microbiology at the Department of Molecular Biology, University of León, Spain. He received his Ph.D. in Biology at the Universidad of Salamanca, Spain, in 1971. He was a postdoctoral research fellow between 1972 and 1976 at the Waksman Institute of Microbiology, Rutgers State University of New Jersey and at MIT, Boston Massachusetts (USA). Full Professor at the University of León since 1980. His research keywords include Molecular Biology of Microbial Metabolism, Actinobacteria, Corynebacteria, Filamentous Fungi, β Lactam antibiotics, and bacterial phosphate regulation. To date, he has more than 500 publications in international, peer-reviewed scientific journals and book chapters, and 30 International Patents. Prof. Martín is a member of the American Academy of Microbiology. He has directed numerous PhD Theses and has received the Arima Award from the IUMS, among other International Awards. He has an H-index of 63 (Scopus).