Steffen Johann Hubert leads the development of the sustainability strategy at Seven.One Entertainment Group, the largest pillar of ProSiebenSat.1 Media SE, one of Europe’s leading media companies. In this role, he drives the company’s environmental and social initiatives with focus on B2B activities. Beyond his corporate responsibilities, he serves as Chair of the IAB Europe Sustainability Standards Committee, where he drives the development of sustainability standards for the digital advertising ecosystem. Furthermore, he is a member of the IAB Europe Board of Directors, contributing to the strategic direction of the association. Earlier in his career, Steffen worked in political communications and as Head of Communication for several FMCG spirits brands, overseeing media strategy and brand communications.