Ph.D in Materials Science (1989) from the Military Institute of Engineering (IME), Brazil. Professor in the Undergraduate and Postgraduate Program in Materials Science and Engineering at IME. Selected five times as a Scientist of Our State, FAPERJ program (2004, 2008, 2012, 2016, and 2020). Collaborating professor in the Orthodontics Course at UFRJ, developing research on biomaterials. Listed in the Top 2 Scientists Leading Minds in Science (Stanford/Elsevier Top 2 Scientists List 2021, 2023, 2024). Experience in Materials Science, with emphasis on Physical Metallurgy and Biomaterials. Researches and develops metallic, ceramic, polymeric, and composite biomaterials. He collaborates with companies to develop dental materials, osseointegrated dental implants, modified dental implant surfaces, endodontic instruments, orthodontic appliances, dental prostheses, absorbable materials, and 3D-printing technologies. He has developed commercial products, including zirconia discs for the manufacture of dental prostheses; processes for surface treatment of dental implants (acid etching, sandblasting, and anodizing); prosthetic components; and surgical instruments. Citations of works: Web of Science Research: 4,887 citations, H-index 34; Scopus: 6,175 citations, H-index 37; Mendeley: 4,120 citations, H-index 33; Google Scholar: 13,660 citations, H-index 55, i10-index 176; Research ID: 4,120 citations, H-index 33