**Javier Men ´endez**

Javier Menendez received his M.Sc. degree in Mining Engineering from the School of Mines, Energy and Materials of the University of Oviedo in 2005 and the Ph.D. with outstanding "Cum Laude" in Energy and Mining from the University of Oviedo in 2018. He worked for 15 years at mining and energy companies. He currently works as Engineering Maganer at SADIM, S.A., a public engineering company specialized in mining and civil projects. He has published 12 articles in JCR journals and has participated in 20 international congresses as a speaker, session chair and as a member of the techical committe. His current research interests include renewable energies, underground space and energy storage systems in closed mines. He also currently works as a Professor of the Department of Mining Technology, Topography and Structures at the University of Leon and as an External Professor in the Master of Renewable Energies at the University of Cantabria.
