Davies William de Lima Monteiro has been Full Professor of Electrical Engineering and Optics, Research Manager of Optical Metrology in Industry, and Founding member of the Brazilian Society for Optics and Photonics. He was also Director at the Brazilian Microelectronics Society and Member of the advisory board to Microelectronics: Brazilian National Research Council. As a leading expert in the field, he has written more than 150 scientific publications. Bruno Lovaglio Cançado Trindade is Professor of Ophthalmology and Head of the Cornea Department of the Feluma Eye Institute. He is also a member of the board of directors of the Brazilian Society of Cataract and Refractive Surgery. He has published many peer-reviewed scientific articles and has given multiple presentations in all the major international ophthalmology congresses.