Prof. Dr. Alexander Machado Cardoso is an Associate Professor at the Department of Biology, Rio de Janeiro State University—UERJ in Rio de Janeiro, Brazil. He was educated in Brazil, graduating with a PhD in Molecular Biology and Biochemisty from UFRJ in 2007 in partnership with Yale University. For the following three years, he did postdoctoral research at Inmetro, Brazil. His research focuses on environmental microbiology. His career was guided to the discovery of novel genes and microorganisms. His skills and expertise include Environmental Microbiology, Microbial Biotechnology, Metagenomics, Molecular Microbial Ecology, Microbial Ecology, Bacteria, Communities, Cloning, Environment and PCR.