Marco is the Head of Seismic Hazards at the Global Earthquake Model (GEM) Foundation and adjunct professor at the Institute of Catastrophe Risk Management, Nanyang Technological University in Singapore. Since August 2023, he is also a member of the Seismic Risk Section of the Major Risks Committee (Commissione Grandi Rischi) of the Italian Department of Civil Protection. He leads the construction of the GEM global mosaic, the calculation of global hazard products, the scientific development of the hazard component of the OpenQuake Engine and manages the activities of the members of the GEM Hazard Team. As part of his duties, he coordinated various national and international PSHA projects in South America, Caribbean and Central America, and Africa. He served as member of the Technical Advisory Group (TAG) supervising the creation of the new national hazard maps for New Zealand, the coordination committee for the development of the 2019 national model for Italy, the review panel for the 2023 update of the Australia national hazard model and, the coordinator of the hazard work package of the European projects METIS and TREAD. He was involved in several national and international projects dealing with seismic hazard and risk analysis as well as consultancy projects for seismic hazard assessment of critical facilities in Europe, Africa and Asia. His research interests involve the creation of PSHA input models combining different information and new approaches, the development of PSHA calculation methodologies and their incorporation into openly accessible tools including the OpenQuake Engine. Marco received a Master degree in Geological Sciences and a PhD degree in Earth Sciences from the University of Milan (Università degli Studi di Milano). He has more than 30 years of experience in Probabilistic Seismic Hazard Analysis (PSHA), PSHA input model building, seismic microzonation and exploratory data analysis.