Heri Gunawan

Heri Gunawan is an experienced professional in mine operations and support, currently serving as Mine Support Manager at PT Amman Mineral Nusa Tenggara since March 2022. Simultaneously, Heri holds a similar position at PT Macmahon Indonesia, where responsibilities include managing drill and blast operations, pit service, and maintenance of main roads and support facilities to achieve production targets safely and cost-effectively. Prior to these roles, Heri worked as Mining Superintendent at PT Petrosea, Tbk from May 2014 to February 2020. Heri holds a Bachelor’s degree in Mining and Mineral Engineering from Universitas Pembangunan Nasional Veteran Yogyakarta, obtained in October 2010.