Giuseppe Congiu is a senior software engineer working on the NCCL team since January 2024. Before joining NVIDIA, he covered several positions, including research scientist at Innovating Computing Laboratory, postdoctoral fellow at Argonne National Laboratory, and software engineer at Seagate. In these positions, he worked on a range of exascale projects, including ExaPAPI, ExaMPI, and the EU-funded DEEP-ER project.