Dr. Michael Lautenschlager is leading the Data Management Department at DKRZ (German Climate Computing Centre) and is also director of the ICSU World Data Center for Climate (WDCC) at DKRZ. He started his career at MPI-M (Max-Planck-Institute for Meteorology) in Earth system modeling. Since 1991 he is active in scientific data management at DKRZ and MPI-M. The use of persistent identifiers has always been a focus of his work. It was WDCC-DKRZ that minted the first DOI for data in 2004.