Dr. Bernhard Mittermaier holds degrees in Chemistry (Diplom), Library and Information Science (M.A.) and Analytical Chemistry (Ph.D.). He is Head of the Central Library of Forschungszentrum Jülich. Apart from being a member of the DEAL negotiating team and the National Open Access Contact OA2020-DE he is part of the steering committee “Zukunft der Digitalen Informationsversorgung” (“Future of the Digital Information Supply”) of the Alliance of Science Organisations in Germany. (ORCID: http://orcid.org/0000-0002-3412-6168)

Michaela Voigt is member of the Open Access Team at Technische Universität Berlin and editorial board member of LIBREAS. Library Ideas. (ORCID: http://orcid.org/0000-0001-9486-3189)

Maxi Kindling is researcher and lecturer at Berlin School of Library and Information Science (Humboldt-Universität zu Berlin). She is co-founder and co-editor of LIBREAS. Library Ideas. (ORCID: http://orcid.org/0000-0002-0167-0466