Rohmatulloh Nabhani has over 6 years of experience in quality control and technical complaints for masterbatches in the plastics industry. He has a bachelor's degree in chemistry from Bogor Agricultural University and has worked at Clariant Indonesia and Halim Samudra Interutama. Currently he is a QC Supervisor and Technical Complaint handler at Clariant where he focuses on improving quality, reducing rework, and reducing customer complaints. He has implemented various projects to achieve continuous improvement in areas like rework percentage reduction and increased QC productivity.