Velgosová Oksana, graduated from the Technical University of Kosice and received a PhD. from the Institute of Materials Research of the Slovak Academy of Science, Materials science field in 2000. In 2011, she was named professor, in present time she is leading the lectures and labs, and supervising students’ thesis at the Technical University of Kosice. She provides research in the field of rare metal (Ag, Au) nanoparticle synthesis by green and chemical methods, and she deals with the possibilities of preparing polymer matrix composites dopped by metal nanoparticles. She is also a scientific project leader. O. Velgosova is an author and co-author of 79 journal papers and 30 conference papers. Her WoS h index is 14, the SCOPUS h index is 15 (more than 715 citations).