**Gustavo de Castro Xavier**

Gustavo de Castro Xavier is associate professor Laboratory of Civil Engineering at the State University of North Fluminense, professor at the Postgraduation Programs in Civil Engineering (PPGEC/UENF) and Materials Science Engineering (PPGECM/UENF). He holds a degree in Civil Engineering (1999), M.Sc. (2001) and Ph.D. (2006) from State University of North Fluminense. In 2007, he joined the UENF to Laboratory of Civil Engineering as a permanent professor at PPGEC/UENF, later (2020) he joined the PPGECM/UENF. He was advisor and Under-Rector of the Under-Rectory of Extension and Community Affairs (2007/2011) and was Mayor of UENF (2011/2015). He was elected as Head of Laboratory (2017/2020). Reviewer for several national and international journals, he has published more than 200 articles in journals, book chapters and conference proceedings. He was Young Scientist of Our State of the Superior Council of the State of Rio de Janeiro (2014/2019). He is a researcher at the Brazilian Council for Scientific and Technological Development (CNPq) and Ad Hoc consultant at the same institution. He works by developing alternative materials for Civil Engineering/Materials, with emphasis on the durability of construction materials and the use of industrial waste in mortars and red ceramics, in addition to researching ornamental rocks and ballast for railway purposes.
