Ádám Dér is Head of Scientific Information Provision at the Max Planck Digital Library (MPDL), serving researchers at the more than 80 institutes of the Max Planck Society across Germany. In this role, he acts as lead negotiator and collections strategist, prioritizing publisher negotiations to advance the open access transition in scholarly publishing. He also represents the Max Planck Society in a broad range of national and international strategic activities, including Germany’s nationwide DEAL negotiations and participation in the governing council of SCOAP3. He is an expert advisor in the ESAC Initiative on data analytics, OA workflows and transformative agreements and contributes to a variety of international industry boards and initiatives. Prior to his role at MPDL, he served as Head of Development of the Hungarian National Consortium (EISZ).