René Oester is a graduate engineer and CEO of Axpo Systems AG. He has extensive management experience in the ICT and energy sectors, with a focus on IT security, network management and strategic corporate management. Under his leadership, Axpo Systems opened Switzerland's first OT Security Operation Centre in 2024. He has also been a member of the Board of Directors of Energie Belp AG since 2025, where he contributes his expertise in technology and management.