Ricardo Guerrero is a full professor of Microbiology at the University of Barcelona. Previously he’s been the professor and chairman of the Department of Microbiology at the Autonomous University of Barcelona and Professor of Graduate Studies at the University of Massachusetts, Amherst. Dr. Guerrero is a member of the Institute for Catalan Studies and a fellow from the American Academy of Microbiology. He is also author or co-author of 250 publications on genetics, biochemistry, bacterial ecology and environmental microbiology and he’s the Editor in Chief of International Microbiology (Springer-Verleg) the official journal of the Spanish Society for Microbiology.