Valeria Francisca Eugenia Leopoldina de María de Guadalupe Souza Saldívar is a Mexican scientist who specializes in evolutionary and microbial ecology. She is a senior researcher in the Department of Evolutionary Ecology of the Institute of Ecology of the National Autonomous University of Mexico and a level III researcher in the National System of Researchers. She was the former president of the Scientific Society of Ecology of Mexico. Source: Wikipedia (en)