Marcelo Knobel is the 12th rector of and a full professor of Physics at the University of Campinas (Unicamp), in Brazil. He is also a member of the Board of Directors of the Brazilian Center for Research in Energy and Materials (CNPEM). Prior to becoming rector, Knobel has served as executive director of the Brazilian Nanotechnology National Laboratory (LNNano) at CNPEM. He has also held several leadership roles at Unicamp, including vice-president for Undergraduate Programs (2009-2013). Knobel received both his bachelor’s (1989) and his doctoral (1996) degrees in Physics from Unicamp. He is an Eisenhower Fellow (2007), Fellow of the John Simon Guggenheim Memorial Foundation (2009) and Lemann Fellow (2015). He has published more than 250 scientific papers and is the author of 15 book chapters.