Hugo Alejandro Nájera Aguilar studied as a chemical engineer with the Technological Institute of Tuxtla Gutiérez, Chiapas, México. He has a master's in Enviromental Engineering and a doctorate in Sustainable Development with an interest in ecological restoration. He is professor of complete time at the School of Environmental Engineering of the UNICACH. In 2013, he was president of the Organizing Committee of the Congress of Environmental Engineering and Chemical Engineering of Southeast Mexico. He is a member of the Academic Body "Environmental Studies ". He has participated in six research projects and directed 16 theses, two master's, and has published around 30 papers nationally and internationally, along with four book chapters. His research topics include solid waste management, landfill leachates, aged refuse, and advanced oxidation processes.