Vannessa Mankwana Mopai currently serves as a Production Superintendent at PPC Africa since February 2023. Prior to this role, Vannessa held various positions at AfriSam, including Process Engineer, where responsibilities included overseeing kiln operations and acting as Relief Process Manager. Vannessa's earlier positions at AfriSam featured roles as Junior Process Engineer and Process Engineer in training, focusing on process optimization and control within cement production. Vannessa began the career as a Learner Process Controller. Educational qualifications include an MBA from Unisa Graduate School of Business Leadership, a Bachelor of Engineering Technology Honours in Chemical Engineering from the University of South Africa, a Cum Laude Postgraduate Diploma in Business Administration from Unisa Graduate School of Business Leadership, and a Bachelor of Technology in Chemical Engineering from the University of Johannesburg.