Tumpal Hamonangan Simatupang

Tumpal Hamonangan Simatupang is a seasoned professional in the steel and cement industry with extensive experience in operational excellence, sales, and engineering roles. Currently serving as Vice President of Operational Excellence at PT Krakatau Steel (Persero) Tbk since May 2025, Tumpal focuses on strategy and policy development related to production planning and inventory management. Previous roles include Department Head of Plate Domestic Sales at PT Krakatau Posco, where responsibilities encompassed managing steel plate sales across various sectors, as well as serving as Secretary to the Board of Commissioners at PT Krakatau Semen Indonesia and PT Krakatau Jasa Samudera. Tumpal's earlier positions at PT Krakatau Steel involved managerial and engineering roles within the Slab Steel Plant, emphasizing production efficiency and customer satisfaction. Tumpal holds an MBA in Business Leadership and a Bachelor's degree in Materials Engineering from Institut Teknologi Bandung.