Francisco Marlon Carneiro Feijo has a degree in Veterinary Medicine from the State University of Ceará (1993), a Master’s degree in Veterinary Microbiology from the Federal Rural University of Rio de Janeiro (1997), and a Doctorate degree in Biological Sciences from the Federal University of Pernambuco (2004). He is currently a full professor at the Federal Rural University of the Semi-Arid. He has experience in microbiology, working mainly on the following subjects: identification and action of plant extracts on bacteria and yeasts of veterinary medical and environmental interest.