Marco Marelli was born in Lecco, Italy, in 1969. He received his Degree in Electrical Engineering from the Polytechnic of Milano in 1997 and shortly after, in 1998, joined Prysmian (at that time called Pirelli), one of the leading companies in cable manufacturing. Initially system designer for High Voltage cables, Marco then become responsible for HV Cable System Engineering dealing with the firsts long extruded 400 kV AC underground systems installed in Europe and Middle East. Shortly after, he’s been involved in HVDC projects and worked on the design of the first 200 kV DC extruded cable ever installed and of the challenging 500 kV DC cable system called SAPEI and installed at 1650 m water depth. He’s currently Engineering Manager for HV/EHV and Submarine Cable Systems in Prysmian PowerLink, with responsibilities on both AC and DC cable systems. In his current position he’s engaged in all major submarine projects including the HVDC projects in the German North Sea, the challenging interconnections in the Mediterranean Sea and the 600 kV Western HVDC Link. He is past Italian Member of CIGRE Study Committee B1 and currently Convener of B1 PAG; in the CIGRÉ General Session 2012 he acted as Special Reporter for SC B1. His work within CIGRÉ has been recognized with the “TC Award” in 2010 and the “Distinguished Member Award” in 2012. In Italy, he’s member of AEIT, part of the board of AEE and Member of the Presidential Council of CIGRÉ NC. He’s author of several papers and publications on a wide range of subjects in the field of cable systems.