Alexandre Paiva was born in Lisbon in 1978. He graduated in Chemical Engineering from Faculdade de Ciências e Tecnologia of Universidade Nova de Lisboa (FCT-UNL) in 2001 and completed his PhD in Chemical Engineering − Thermodynamics and Biocatalysis from the Technische Universität Hamburg-Harburg in Germany, 2008. In that year, he returned to FCT-UNL as a Postdoc researcher at REQUIMTE within the project “Biodiesel production from green sources using supercritical technology”. Since 2016 he is an auxiliary researcher at LAQV@REQUIMTE. Alexandre Paiva has 45 papers in international scientific peer-reviewed journals. His main areas of expertise are sub-,supercritical fluids, biocatalysis, deep eutectic solvents and the application of these solvents in the valorization of agro-industrial by-products. He is/was involved in 1 Marie Curie project, 4 scientific projects financed by the Portuguese Foundation for Science and Technology, being the principal investigator in 2 of those projects. He is/was also involved in 5 projects in collaboration with Portuguese and international companies. He is the main supervisor of 4 PhDs and the co-supervisor of 4 more. He is/was the supervisor of more than 25 Master degree thesis. From 2010 to 2012 he was an invited professor at the Instituto Piaget and, since 2008, he is also an assistant lecturer at FCT-UNL.