Josefina Castillo Reyna graduated from the Bacteriological Parasitological Chemistry program at the Faculty of Biological Sciences of the UANL, where she also completed her Master of Science with a major in Microbiology. She completed her Ph. D. in Engineering Sciences with a major in Biotechnology at Tecnologico de Monterrey. In July 2010, she joined Tecnológico de Monterrey as Director of the Academic Department of Biotechnology and Chemical Engineering for 4 years and professor of the subjects of Microbiology and microbiology laboratory from 2011 to date. She has been a leader of various linkage-research projects, participated in Continuing Education diploma courses in Guayaquil, Ecuador, and Chile, and participated in academic routes in Portland, USA 2013, and Montreal, Canada in 2016. She designed and developed a FIT (Flexible, interactive, and technology-enabled) course in microbiology. She was the Regional Director of the Bioengineering Department of the Metropolitan Zone of Mexico City for two years. From 2019 to date, she has been a research professor in biotechnology, also dedicated to developing educational innovations from which refereed articles and international conferences have emerged, and the winner of second place in the RIE 360 award (by its acronym in English educational innovation network) in Mexico. She entered the CONACyT National System of Researchers in January 2023. She is currently a research professor with projects in microbiology, classified as an Associate Professor and since 2019 she has taught the subject of Biomimicry and Sustainable Development and Microbe Detectives. Recently She also designed the subject Microbiology Applied to Process Innovation, of the Biotechnology Engineering career. Oriented towards the development of teamwork and growth focused on continuous improvement, always aligned with institutional values and making her teaching a renewable process.