Katie Filbert - Software engineer, working on the Wikidata development team at Wikimedia Deutschland since 2012. Katie has contributed to Wikimedia projects since 2004, and also has been involved with OpenStreetMap since 2009.
Lucie - Software developer, working at Wikimedia Deutschland on Wikidata.
Adam - Software engineer, working on the Wikidata development team at Wikimedia Deutschland on an off since 2013. Adam has contributed to Wikimedia projects since 2005.