Board of Directors

Anton Firdaus

Plt. President Director

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Puji Winarto

Plt. Director of Commercial and Business Development

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Rositawati

Director of Finance & HR

Rositawati, an Indonesian citizen. She Completed her Bachelor's degree in Accounting at Univesitas Gadjah Mada in 1994. In 2021 she was entrusted to be The Vice President of Subsidiaries & Affiliates Business Management of PT Krakatau Steel (Persero) Tbk. She was appointed as Finance & HR Director of KBS on July 10th 2023.

Cahyo Antarikso

Director of Operations

Cahyo Antarikso, an Indonesian citizen. He completed his bachelor’s degree in Metallurgical Engineering from Indonesia University in Jakarta in 1992 and completed his Masters in Material Science at Indonesia University in 2001. He began his career at PT Krakatau Steel (Persero) Tbk in 1992 until he was entrusted to be the General Manager of Supply Chain Management & Quality Assurance at PT Krakatau Steel (Persero) Tbk in 2016 until 2019. He served as Deputy Director of Production of PT Krakatau Posco in 2019, Director of Technology & Business Development of PT Krakatau Posco (2019-2020), Director of Human Resource & General Affair of PT Krakatau Posco (2020-2021). Currently, he serves as Operations Director of PT Krakatau Bandar Samudera.