Together with his brother, Michael Hartono, at the age of 22 Robert inherited one of the leading cigarette company today, Djarum. Djarum was previously a small business called Djarum gramophone which was later purchased by his father, Oei Wie Gwan, in 1951 and changed its name to Djarum.
Robert, at the age of 22, inherited along with his brother Michael Hartono one of the major tobacco companies today, Djarum. It started as a small business called Djarum gramophone which was later bought by his father in 1951 and renamed to Djarum.