Hilda Araceli Zavaleta-Mancera PhD, is a Senior Professor at the Botany Department of the Postgraduate College of Agriculture (COLPOS), of the National Ministry of Agriculture and the Mexican Council of Science, Humanities and Technology. She completed her PhD studies in biological sciences at the University of Wales, Aberystwyth, United Kingdom. Additionally, she completed her Master of Science in Biological Electron Microscopy studies at the University of Wales. She recently led an infrastructure project to update the equipment at the Electron Microscopy Unit at COLPOS, including a new transmission electron microscope (Tecnai Bio-twin Spirit with Tomography, ThermoFisher), the second TEM for Biology with Tomography in Mexico. She has published over 60 scientific JCR papers in various peer-reviewed Journals and graduated 20 master's and PhD students.  Her teaching disciplines include plant anatomy, histochemistry, and electron Microscopy, and her interests include plant morphogenesis and seed anatomy. She serves as President of the Mexican Association of Microscopy and Microanalysis, as well as for three research projects on “Green synthesis of nanoparticles,” “Environmental effect of nanostructured materials,” and “Nanomaterials in agriculture."