Stas Sagdeyev was born in 1986 in Odessa (Ukraine). Studying at the Odessa Stolyarsky Special Music School since 1994 luckily switched to playing the Viola in 2001 studying with Vladimir Malichkin. Taking part in the Festival of the Ukrainian Culture in Bern (Switzerland) the same year became a turning point in the life. Has been an irreplaceable member of the quartet later known as the Stolyarsky String Quartet since its inception and right until its subtle dissolution (2001-2007).
In 2005, graduated from the Stolyarsky school. The same year entered Odessa State Music Academy. In 2010 finished studies in Odessa.
Has been participating in different exchange projects including Jugend Symphony Orchestra Sicily and Ukrainian tours, and concert at Avenches' Roman Arena.
Since 2008 is the secretary of the ukrainian branch of ESTA (European String Teachers Association).
Even though had written a lot of songs and lyrics, none of them were possible to make really public due to the different causes. Started collaborating with Alexander Vitkovskiy, the guitar player, in 2010 and in 2011 finally recorded and produced the first major song "So I Begin" along with the music video. The second single entitled "Dreambird" was released in March 2012.
Since autumn 2011 is studying at the Zürcher Hochschule der Künste (Switzerland) in the class of prof. Christoph Schiller.