Berezko-Marggrander moved to Germany with her family in 2008 and started training on federal base in Fellbach with coach Galina Krylenko.
There together with Georgy Pyatakov they established the so-called Bogie group (Bogie is a suburb of Lausanne) which included Nikolai Bukharin, G.Krylenko, and others and stood in opposition to Lenin, concerning the nationalities factor.