Prof. Dr. Juan A. Ramos-Guivar is an Associate Professor at the National University of San Marcos-UNMSM, Lima, Peru. His expertise involves synthesizing and functionalizing metal-oxide and magnetic nanoparticles (ferrofluid-based and nanoadsorbent powders) by different physical, chemical, and biosynthesis routes for applications in biomedicine, biosensing, and drug delivery processes; energy storage; and environmental water bio-remediation processes, as well as expertise in nanomagnetism, spectroscopic, nanocharacterization techniques, nanoecotoxicological performance, water treatment, and management. He is the leader of the research group NANOTECH at UNMSM, Lima, Peru, with a team of 20 people, including final-year undergraduates, master's, and PhD students. He is also an invited full member of the Sigma Xi Society and the Magnetism Latinoamerican Society (ALMA). And he holds an invention patent granted by Indecopi, Peru, for the development of magnetic nanoadsorbents to remediate lead from water for human consumption.