Belén Ortiz graduated in Biology in 2016 at the University of Alcalá, Spain (extraordinary graduate award). She completed her research training with a Master degree in “Therapeutic Targets in Cell Signaling: research and development”. Since 2015 she has collaborated in several research projects related to prostate and thyroid cancer in the departments of Biomedicine, Molecular Biology and Biochemistry at the same university. Her last collaboration was carried out at the Biomedical Research Institute “Alberto Sols” (Madrid), where she worked on the development of neuroprotective peptides against brain ischemia. She joined the Optical Nanomanipulation Laboratory in 2018, where she develops her PhD co-directed by Beatriz Hernández-Juárez. She is interested in the use of luminescent nanocrystals in the cell interior and other biological applications of nanoparticles.