Jacek Siewiera

Jacek Siewiera
Jacek Siewiera
Born	27 April 1984; Wrocław
Allegiance	Poland
Branch	Polish Army
Rank	lieutenant colonel
Awards	Medal for Sacrifice and Courage; Cross of Merit for Bravery (Poland); Illinois Military Medal of Merit; Community Service Medal (United Arab Emirates);
Alma mater	University of Wrocław; University of Oxford;

Jacek Zdzisław Siewiera (born April 27, 1984 in Wrocław) is a Polish army officer, medical doctor and a lawyer. He is an expert in anaesthesiology and intensive therapy. and a University of Oxford alumnus, was the organizer and first head of the Hyperbaric Medicine Clinic of the Military Medical Institute, the founder of the Rescue Center, head of the National Security Bureau of Poland from 2022 to 2025. He is currently a senior fellow at the Atlantic Council and a member of the REDI Task Force - Reimagining European Defense Initiative.