In 2020, due to the global Corona pandemic, almost all face-to-face training courses in Germany were canceled. In 2015, de.NBI started with 17 training courses and 329 participants, with increasing numbers in 2016 (40 courses with 882 participants), 2017 (69 courses with 1,489 participants), 2018 (77 courses with 1,520 participants) and 2019 (79 courses with 1586 participants). However, based on online training, the number and diversity of training activities was still high (40 Courses with 1149 Participants) in 2020.

The largest course was attended by 210, the smallest one by four scientists. Approx. 75% of the participants were PhD students or Postdocs. The remaining 25% were PIs, undergraduates, and participants from industry. The gender ratio of the students was 45% male and 55% female.We saw a remarkable increase of international and overseas participants in our courses due to the simplified virtual on-line participation. About 60% of the participants came from outside Germany. In general, the user survey shows satisfaction values around 90%.