Siebert was born 1959 in West Berlin and spent most of her childhood here. She moved to Essen, where she completed a pilot training and worked for three decades in various areas of aviation, both as a pilot and in the administrative field. Since 2010 she lives and works in Cologne, as of 2018 as freelance artist.
2018-19, Alanus University of Arts and Social Sciences
2019-20, class Markus Lüpertz, Kunstakademie Kolbermoor
2022 - (ongoing), excellence studies, Kunstakademie Bad Reichenhall,
master course Rosa Loy and Michael Triegel