Marco Alver is Group Chief Executive Officer of Tree Energy Solutions, an LNG and new energy company, since June 2022 and Co-Founder of Zhero. Previously, he served as Chief Executive Officer of Snam S.p.A., Europe s leading natural gas utility, from 2016 to 2022. Prior to joining Snam in 2016, Mr. Alver held a number of senior management and operational leadership positions at Eni S.p.A., among them, Head of Eni s commodities trading and shipping business, and Senior EVP of Upstream business. He has participated in the upstream, midstream and downstream aspects of the oil and gas industry. Prior to Eni S.p.A., Mr. Alver served as Head of Group Strategy at Enel S.p.A., a multinational power company functioning in the gas and electricity sectors, particularly in Europe and Latin America. He also served as Chief Financial Officer of Wind Telecomunicazioni S.p.A. and co-founded Netesi, Italy s first broadband ADSL company. Mr. Alver started his career in M&A at Goldman Sachs. Mr. Alver sits on the board of the Cini Foundation in Venice. He is a co-founder of the Kenta Foundation and co-founder and CEO of Zhero, since 2022. Mr. Alver wrote the books Generation H (Mondadori), The Hydrogen Revolution (Basics Book), and Zhero (Salani editori). He was a visiting fellow at Oxford University and is a frequent speaker and lecturer on business, sustainability, and energy markets.