I am a certified Examiner, Inspector, Auditor for Infrastructure Railways, Auditor for General Work Safety, and an Engineer Indonesia PII member (2017), joining the ASEAN Engineer Register in 2018. I was with the Indonesia Ministry of Transportation in the Port Project division for 17 years, with experience in the Bajoe Kolaka Ferry Terminals and Patimban Port. For 10 years I served in the railways section as a division head for different fields such as planning, infrastructure, and safety. In 2018 I was deputy director in 3 different field, i.e. as operating facilities and track buildings, and in the management of state-owned facilities of rolling stock. For the year of 2019, I served as PM Construction of LRT Jabodebek, and had experience as a speaker in international railway industry events. Apart from that, I have been been Deputy Director for Track and Building Infrastructure Railway Area since January 2019.