ESA Astronaut Class of 2022 – Marco Sieber

Marco Sieber, from Switzerland, is a member of the ESA Astronaut Class of 2022.

Marco Sieber is one of the more than 22 500 candidates who submitted a valid application in 2021 in response to ESA’s call for new astronauts for missions to the International Space Station and beyond.

The names of the selected candidates were announced on 23 November 2022, following the ESA Council at Ministerial level.

ESA’s new class of astronauts includes career astronauts, members for the astronaut reserve and astronauts with a physical disability for a feasibility project. They will start a 12-month basic training at ESA’s European Astronaut Centre in spring 2023.