Alex Grube has worked for an impressive array of international artists, including Mark Forster,
Herbert Grönemeyer, Louis Tomlinson, Max Giesinger,
Henrik Freischlader Trio, Helene Fischer,
Die Fantastischen Vier, Schiller, Cassandra Steen, Jazzanova, Pohlmann, Lena Meyer-Landrut, Saint Lu,
Tim Bendzko, Santiano, Heinz Rudolf Kunze, Kerstin Ott, Matthias Reim, Howard Carpendale, Gregorian,
Mimi Westernhagen, Jennifer Paige, Unheilig, Paul Stanley, Leslie Clio, The Kelly Family, Chuck Loeb, and many other renowned acts.
As Professor of Pop Music (Electric Bass) at the Uni Münster and lecturer at „Popkurs“ at the HfMT Hamburg, he also plays a significant role in shaping the next generation of musicians.