The Marie Skłodowska-Curie Actions (MSCA) are part of Horizon 2020 (H2020), the European Union’s Framework Programme for Research and Innovation (2014-2020). The MSCA support researchers in all scientific domains, promote collaboration between the academic, scientific and business communities, boost the careers of scientists at all stages and develop excellent doctoral training in Europe and beyond through international and intersectoral mobility. Since 1994, the programme has trained around 130,000 researchers — including 35,000 doctoral candidates —throughout their career.