Pamapersada Nusantara
Holda Irawan is currently working as a Mine Design & Scheduling Expert at Pamapersada Nusantara. Previously, Holda has experience working as a Pit Engineer at PT Hasnur Jaya Utama and as a Mine Engineer at PT ISCO Polman Resources. Holda's educational background includes a Bachelor of Engineering in Mining Engineering from Universitas Pembangunan Nasional Veteran Yogyakarta. Holda has also worked in various roles such as Field Supervisor, Laboratory Staff, and Junior Mechanic.