Marcelo Knobel was the 12th Rector of the University of Campinas (Unicamp), in Brazil, where he is a Full Professor of Physics. He held other leadership roles, including: Executive Director of the Unicamp Exploratory Science Museum, Vice-Rector for Undergraduate Programs, Vice-President of the Brazilian Physics Society and Executive Director of the Brazilian Nanotechnology National Laboratory (LNNano). Knobel has already published more than 300 scientific papers, in addition to numerous opinion pieces in both national and international newspapers and magazines.