Dian Olwagen is a seasoned professional in quality and process improvement with extensive experience in the mining and metallurgy sectors. Currently serving as the Manager of Quality & Process Improvement at Grange Resources since February 2020, Dian previously held key roles at SIMEC - Australia, including Operations Manager for the Southern Middleback Ranges Fixed Plant and Concentrator Operations Manager for Arrium's Magnetite Concentrator. Between November 2014 and July 2017, Dian led the Metallurgical & Global Water Team at Arrium Mining, ensuring optimal operation and management of water resources. Additional experience includes roles in operational management and metallurgical leadership at companies such as Xstrata Zinc, OneSteel, and Anglo Platinum. Dian holds a BEng in Chemical Engineering, specializing in minerals processing from North-West University.