In 2010, Chol was appointed as an executive director for
Ann Itto Leonardo, the then deputy secretary-general of the
Sudan People's Liberation Movement (SPLM) Southern Sector. Chol became the SPLM's director of membership and recruitment; he retained the office until 2013. In 2013, when South Sudanese president
Salva Kiir Mayardit in 2013 accused Vice President
Riek Machar of an attempted coup, Chol supported Machar and fled
Juba over fear of political persecution. He later joined the
Sudan People's Liberation Movement-in-Opposition (SPLM-IO) and was appointed the leader of the Youth League. After the signing of the revitalized peace agreement in 2020, Chol returned to Juba together and was appointed as the
minister of petroleum in the
Revitalized Transitional Government of National Unity (R-TGoNU). While in office, Chol has promoted the creation of a unified human resource manual for the country's oil sector employees. In 2021, he purchased geophysical aircraft for surveying and generate geophysical aerial data of oil and other mineral resources in South Sudan. Chang also contracted three companies to conduct an environmental audit on the impact of the country's oil industry on the environment. On 5 March 2025, Chol was arrested along with his bodyguards and family on unspecified charges. == References ==