Kerstin Lehnert is Doherty Senior Research Scientist at the Lamont-Doherty Earth Observatory of Columbia University and Director of the Geoinformatics Research Group. Kerstin's work centers on the development and operation of community-driven data infrastructure for the Earth and space sciences and, in particular, on using cyberinfrastructure to improve access and sharing of data generated by the study of physical samples. Kerstin leads the IEDA data facility that operates data services for sample-based data, specifically data systems for geochemistry and petrology including EarthChem and the Library for Experimental Phase Relations (NSF funded); the Astromaterials Data System (NASA funded); and the System for Earth Sample Registration (NSF funded). Kerstin is currently member of the NOAA Science Advisory Board's Data Archive & Access Requirements Working Group and of the Science Advisory Board of the Distributed Information System for Scientific Collections DISSCo. She has been a member of the NASEM Division Committee for the Gulf Research Program; chair of the EarthCube Council of Data Facilities; President of the IGSN e.V., member of the NSF Advisory Committee for Cyberinfrastructure; member of the Board of Directors of the American Geophysical Union AGU; and President of the AGU Earth and Space Science Informatics Focus Group.