Benjamin studied oboe in Switzerland under the guidance of Prof. Hans Elhorst and in Germany under the guidance of Prof. Christian Hommel. He has also participated in masterclasses under Ingo Goritzki, Stefan Schilli, Christian Wetzel, Jochen Müller-Brincken and Maurice Bourgue. He performed concerts in whole Europe, Turkey, Singapore, South Korea, Indonesia and South America and played together with orchestras and ensembles like Swiss Chamber Orchestra, Theatre of Bremen, Thailand Philharmonic Orchestra, Tempus Konnex Ensemble and Ecce ensemble New York. As substitute he has played regularly with Ensemble Modern Frankfurt and oh ton-ensemble Oldenburg.
Since 2012 he is oboist of Ensemble New Babylon. Benjamin dedicates himself exceptionally to contemporary music, working together with composers and played numerous world premieres and German premieres from composers like Benedict Mason, Michael Quell, Younghi Pagh-Paan, Louis Andriessen, Pedro Alvarez, Julia Werntz, Elnaz Seyedi, Christian Pedro Vásquez Miranda, Alexander F. Müller, Andreas Paparousos, Ali Gorji, Anton Wassiljew and others. Radio and CD recordings were made in cooperation with German radio stations like WDR, HR, Radio Bremen, Deutschlandradio Kultur and others.