Lesotla Mmesi holds an MBA and has extensive experience in metallurgy and quality engineering within the steel industry. Currently serving as the Quality Engineering and Control Manager at ArcelorMittal South Africa since December 2023, Lesotla has previously held positions at ArcelorMittal as a Senior Metallurgical Engineer and Metallurgical Engineer, where responsibilities included continuous improvement of steel products, quality engineering, and technical support for customers. Earlier experience at Transnet Freight Rail involved providing metallurgical solutions and quality auditing. Lesotla's educational background includes a Master of Business Administration from Wits Business School, a Bachelor of Commerce in Finance and Economics from the University of South Africa, and a BSc in Metallurgy and Materials Engineering from the University of the Witwatersrand.