Sławosz Uznański-Wiśniewski

Sławosz Uznański-Wiśniewski
Uznański-Wiśniewski in 2023
Born
Sławosz Uznański

(1984-04-12) 12 April 1984
Łódź, Poland
Education
SpouseAleksandra Uznańska-Wiśniewska (m. 2025)
Space career
ESA astronaut
Previous occupation
Engineer in Charge of the Large Hadron Collider, CERN
Selection2022 ESA Group

Sławosz Uznański-Wiśniewski, née Uznański (Polish: [ˈswavɔʂ uzˈnaɲskʲi viɕˈɲɛfskʲi]; born 12 April 1984 in Łódź) is a Polish engineer working at the European Space Agency (ESA) as a project astronaut since 2023, and was formerly employed at CERN.