The group founded the annual Chamber Music Fest Rheinhessen in 2014 as well as the imPULS concert series in Hannover in 2016, and they continue to serve as artistic directors for both.
Winners of the Gianni Bergamo Classic Music Award 2015 in Lugano, the four musicians of the Flex Ensemble have quickly established themselves as one of the most vibrant ensembles of their generation. Within a year of their formation, the Flex Ensemble was awarded 1st prize at the International Schumann Chamber Music Award in Frankfurt in 2013, where they also received a special prize for their interpretation of the Schumann piano quartet. They are the recipient of awards and prizes at the Kiejstut Bacewicz International Chamber Music Competition in Lodz/Poland, the Premio Trio di Trieste/Italy, and the Solti Foundation in England.
Based on this success, the Flex Ensemble has appeared at venues such as the Concertgebouw Amsterdam, the Alte Oper Frankfurt, the Beijing Performing Arts Center, the Meistersingerhalle Nürnberg and Festivals such as the Festival de Musique de Menton, the Sommerliche Musiktage Hitzacker, the Heidelberger Frühling, and the Prishtina International Music Festival. On many occasions their performances have been recorded and broadcast live on German Radio (SWR and NDR Kultur) and Dutch Radio (Radio 4).