Alexander von Heißen is a German harpsichordist and winner of multiple international harpsichord competitions such as "Musica Antiqua" in Bruges (2nd prize) and at the XXI. international Bach- competition in Leipzig (special-prize from the "Leipziger Barockorchester“). Since 2014, he has studied harpsichord with Eva Maria Pollerus at Frankfurt University of Music and Performing Arts and took part in master classes with Pierre Hantaï, Skip Sempé, Christophe Rousset and Andreas Staier.
He has appeared on stage with Dorothee Oberlinger, Luca Pianca, Andreas Scholl, Dmitry Sinkovsky, Reinhard Goebel and is heard on several recordings of Sony Classical.

Since December 2020 Alexander is a founding member of ensemble VERITÀ.