He then entered the Gadjah Mada University in Yogyakarta, where he earned an undergraduate degree in social and political sciences in 1966.

[5] Oemarsono launched a food diversification program which encouraged the local populace to abandon bread in favor of cassava.

[6] He also established a nucleus estate and smallholder farm system for cassava in the region,[6] and received assistance from the central government in the form of kernels for corn plantations.

[7] Oemarsono was nominated by the provincial council of Central Java for the post of vice governor after the death of the previous officeholder, Sujamto, in 1994.

[14][15] Oemarsono was installed as the Vice Governor of Lampung for economic affairs on 18 December 1995 under Poedjono Pranyoto.

[20][21] Despite the apparent initial support for Oemarsono's leadership in the region,[22] his Javanese ethnicity angered a lot of indigenous Lampung residents and led to months of anti-Javanese protests.

A day before, a large group of students had occupied the Lampung Provincial Council office and forced Oemarsono to sign a demand for Suharto's resignation.

[26] Around the same time, a large protest with similar demands occurred, and Oemarsono had to deploy a paramilitary organization to disperse the demonstration.

The People's Tapioca Flour Industry had no clear business vision and management, and the Desaku Maju Sakai Sambayan program was widely regarded as an extortion.