Gianluca was awarded the H.E.S.S. prize especially for the upgrade of the H.E.S.S.-I cameras. He has worked extensively on both the software and hardware of the cameras during their development and integration, becoming the de facto technical coordinator of the upgrade project. Moreover, he has greatly contributed to the Science output of the large (28 m) telescope of H.E.S.S. Phase II by participating in the discovery of the pulsed emission from the Vela Pulsar.