Born in Göttingen, Liepe began his early studies at the age of twelve at the Institute for the Early Promotion of Musically highly gifted at the Hochschule für Musik, Theater und Medien Hannover (HMTM) and received lessons there from Krzysztof Węgrzyn.
His studies took place at the Hochschule für Musik und Tanz Köln with Zakhar Bron and Mihaela Martin as well as at the Kronberg Academy with Ana Chumachenco and for chamber music with Oliver Wille at the HMTM Hannover.
[1][2] Liepe has performed as a soloist with the Frankfurter Opern- und Museumsorchester, the Slovak Radio Symphony Orchestra, the Camerata Wrocław, the Deutsche Radio Philharmonie Saarbrücken Kaiserslautern, the Staatsorchester Braunschweig, the Vogtland Philharmonie Greiz Reichenbach [de], the Staatsorchester Braunschweig, the Staatsorchester Rheinische Philharmonie, the Brandenburgisches Staatsorchester Frankfurt (Oder), the Landesjugendsinfonieorchester Hessen as well as the East-West Chamber Orchestra and the Bayerisches Kammerorchester Bad Brückenau.
His conducting partners have included Christoph Eschenbach, John Holloway, Gregor Bühl, Hartmut Haenchen, Heribert Beissel, Jiri Malát and Nicolás Pasquet.
He has performed with artists such as Gidon Kremer, Yuri Bashmet, Fazıl Say, Christoph Eschenbach and András Schiff.