Alexander Pilchen was born in Ukraine. He has taught since 2014, as a private teacher and at various music schools.

He graduated from the Moscow P. I. Tchaikovsky Conservatory in 2012. Alexander studied at the Music Conservatory at UiT Tromsø (Norway), from which he then graduated with a Master of Music in violin. From 2014 to 2016, he studied at HFM Trossingen (Germany) in the class of Professor Anton Steck, where he received a Master of Music (Concertmaster of Baroque Orchestra).

In 2015, he co-founded the Werther Quartett, a string quartet that plays music on historical instruments from late Baroque to Romanticism. With this quartet, Alexander won the 2nd prize at the international competition Gebrüder-Graun-Preis (Bad-Liebenwerda, Germany) in 2016, and in 2017 the 1st prize at the international Iris Marquardt competition (Trossingen, Germany).

Alexander has performed with many orchestras, including regular performances with the Moscow Ensemble "Academy of Ancient Music" under the direction of Russian violinist Tatyana Grindenko. He has played in various European baroque orchestras, such as "Bern Consort" (Switzerland), "Das Neue Orchester" (Köln, Germany), "Sinfonia Concertata" and "Bremen Baroque" (Germany). He has given masterclasses in Kaohsiung, Taiwan and at the LNMA named after M. Lysenko, Ukraine. Alexander is currently a violinist in the Auckland Philharmonia Orchestra.

He is an active composer and received a Master of Composition with Professors Markus Hechtle and Wolfgang Rihm at HFM Karlsruhe (Germany) in 2022.