Born in Berlin to Indonesian parents, Iskandar Widjaja began playing the violin at the age of four. At eleven, he was accepted as an extraordinary student at the College of Music in Berlin and, furthermore, at the Julius Stern Institute Berlin – the pre-college division for the highly musically gifted. After graduating from secondary school, he studied the violin at the University of the Arts in Berlin, which he completed in 2010.

His Debut CD Bach ‘n’ Blues (2011) and his second album Precious Refuge - Works by J.S. Bach (recorded with the Berliner Camerata in 2014), were released to great critical acclaim by press and broadcast. Additionally, Iskandar Widjaja plays Tango with his Trio CAYAO. Their debut album reached the Classical Bestseller Charts in 2014 after a TV appearance on arte with Startenor Rolando Villazón.

As a soloist Iskandar Widjaja is touring the world together with renowned orchestras like the Sydney Symphony Orchestra or L´Orchestre de la Suisse Romande. In 2014 he gave his debut with the Münchner Philharmoniker under the baton of Christoph Eschenbach. Also under the baton of Maestro Eschenbach he debuted in the Philharmonie Berlin in May 2016, together with the Deutsches Symphonie-Orchester Berlin.

Furthermore, Iskandar Widjaja has been the face for Indonesia´s high end coffee brand JJ Royal as both brand ambassador and TV commercial model. He has been on the cover of various indonesian and international fashion-, TV- and lifestyle magazines. Recent collaborations with brands like the Volkswagen Group and Tommy Hilfiger mark him as a true modern classical violinist. 

He plays a Jean Baptiste Vuillaume from 1875 and a Stradivarius from 1734, by courtesy of Florian Leonhard.