Nicolas is a French-German journalist. He pioneered data-driven journalism in Europe, regularly speaks at international conferences, and taught journalism at several journalism schools in France, Switzerland and Russia. As a self-educated developer, he created interactive, data-driven applications for Le Monde. He built the data journalism team at OWNI and co-founded and managed Journalism++ from 2011 to 2017. Nicolas was one of the main authors of the Datajournalism Handbook.