Dr Lucas Freitas de Freitas is a Biomedical Professional, graduated at State University of Londrina, Brazil (2009), with a PhD degree in bioengineering from University of São Paulo, Brazil (2016). Part of his PhD research was performed under supervision of Professor Dr Michael Hamblin from Wellman Center for Photomedicine, Harvard Medical School (2014-15). Dr Lucas has publications in the biomedical field, especially on light interaction with microorganisms and with the human body, cancer therapies and diagnostics, and oxidative stress.