Prof. Francesco Romanelli is the President of the Divertor Tokamak Test (DTT) facility at ENEA Frascati Research Center. He has been working in nuclear fusion since 1980. He has led from 1996 to 2006 the ENEA activities in Physics of Magnetic Confinement Fusion. In 2006 he became Leader of JET, the largest magnetic fusion experiment in operation, and from 2009 to 2014 Leader of the European Fusion Development Agreement. In 2015 he moved to the University of Rome “Tor Vergata” where he is now professor of Physics of Nuclear Energy. He is also Editor in Chief of Nuclear Fusion, the largest impact factor fusion journal.