Graduate magna cum laude in Agricultural Sciences at University of Pisa in 1978, Dr. Vallini in 1982 joined the Soil Microbiology Center in Pisa as Research Associate (researcher) of the Italian National Research Council (CNR), remaining there until the end of October 1998. On November 1st, 1998, Dr. Vallini moved to the University of Verona as Associate Professor where he started teaching Microbial Biotechnology at the Faculty of Life Sciences. Since October 1st 2006, he holds the position of Full Professor of Microbiology at the Department of Biotechnology of the same University of Verona, giving lectures in General Microbiology, Microbial Biotechnology, Soil/Plant/Microbe Interactions.