Mayana Zatz is a Brazilian molecular biologist and geneticist, professor at the Department of Genetics and Evolutionary Biology at the Institute of Biosciences at the University of Sao Paulo (USP). She held the position of Dean of Research at USP from 2005 to 2009. Researcher in human genetics with contributions mainly in the field of neuromuscular diseases (muscular dystrophies, spastic paraplegias, amyotrophic lateral ese) in which she is a pioneer. Currently, her Human Genome Laboratory at USP also conducts research in the field of stem cells.