Mariano Marzo Carpio

Lead Independent Director

Independent Non-Executive

Mr. Marzo was appointed as Member of the Repsol Board of Directors by the Annual General Meeting of May 19, 2017 and re-elected by the Annual General Meeting on March 26, 2021 and on May 30, 2025.

Background: Has a Bachelor’s degree in Geology from the Universidad de Barcelona; PhD in Geological Sciences from the Universitat de Barcelona.

Experience: Mr. Marzo has worked in Europe, the United States, South America, the Middle East and North Africa and is a member of the American Association of Petroleum Geologists and the European Association of Petroleum Geoscientists & Engineers. Furthermore, Mr. Marzo has participated in several advisory boards on energy matters of the central and autonomous community administrations, as well as other institutions, and he has maintained a continuous connection with the oil and gas industry, through the research applied to the exploration sector and the sedimentological characterization of fields.

Mr. Marzo has also formed part of the editorial boards of journals of great international prestige in the field of geology, such as Basin Research, Geology and Sedimentology, and he has published numerous research papers and reports and worked vastly as a lecturer. His educational activity was rewarded with the “Distinction of the Universidad de Barcelona for the Best Scientific and Humanist Education Activities” in 2014. In addition, from 2019 to 2022 he was Director of the Education and Research Program in "Energy Transition University of Barcelona-Repsol Foundation".

Other relevant positions: Mr. Marzo is Professor in the Faculty of Earth Sciences of the Universitat de Barcelona (Department of Earth and Ocean Dynamics), where he has developed his teaching career as a researcher, academic, columnist, and lecturer. Furthermore, he is a member of the Advisory Board of Club Español de la Energía and was Director of Section 4 (Earth Sciences) of the "Reial Acadèmia de Ciències i Arts de Barcelona" where he is currently a numerary member.

Board Committee to which he belongs: Chairman of the Sustainability Committee and Member of the Audit and Control Committee.