Researcher of the Petrology Group applied to heritage conservation of Institute of Geosciences (CSIC-UCM). Geologist, specialist in petrology and mineralogy (National University of Colombia, 1988), Ph.D. Materials Science (Carlos III University of Madrid, 2008), specialist in nano-prevention (Cantabria University 2019). Current position: researcher at Institute of Geosciences (2009–present), field of nanotechnology applications and nanotoxicity prevention. Invited editor at Nanomaterials. Previous experience: Researcher at Carlos Tercero University of Madrid (2001–2008), researcher at Institute of Geosciences, Mining and Chemistry (INGEOMINAS), Bogotá-Colombia (1988–2001). Experience: transmission electron microscopy (TEM–electron diffraction, EELS, HRTEM-IFFT)), Scanning (SEM-EDS–digital image analysis), polarized light (FBF, FDF, FDFL), X-ray diffraction–Rietveld refinement, nanomaterials synthesis, crystallography, phase transformation, mineralogy, petrology. Awards: II Global Nanotechnology Summit 2022: Honorable Mention and Recognition of Excellence. Spanish Foundation of Science and Technology (FECYT-2015):Outstanding researcher in nanotechnology in Heritage, Recognition of Colombian Society of Electron Microscopy (2010). Membership: Founding President, Colombian Society of Electron Microscopy, Inter-American Committee of Electron Microscopy Societies (CIASEM), International Federation of Electron Microscopy Societies (IFSEM), Royal Spanish Society of Chemistry (RSEQ).