Alexander Gerst (born May 3, 1976 in Künzelsau, Baden-Württemberg) is an European Space Agency astronaut having been selected in 2009 to undergo training.
Gerst studied at the University of Karlsruhe, Germany, where he received a university degree in physics. He also studied Earth Science at Victoria University of Wellington in New Zealand, where he was awarded a Master of Science.
He has been working as a researcher since 2005. In his spare time, he enjoys mountaineering, diving, climbing and skydiving.
He was selected as astronaut in 2009 by the European Space Agency.