The Graft Yard, Heathway Square
Black Heath, Gauteng, 2165
E: info@onvertengineering.co.za
T: +27 11 462 8142
Monday-Friday:
Saturday:
7AM to 4PM
7AM to 12PM
Onvert Engineering & Services - All rights reserved © 2018. Made with Love by www.glmgroup.co.za




Cosdec, Sme Business Unit 4
P O Box 29455, Tsumeb
E: sales@onvert-namibia.com
T: +264 67 220 330



Josua Handuukeme is the Group CEO with strong human resource background. He is a Certified HR and Business Consultant with diverse experience in business management, business process, human resource administrating and business development. He holds a Master’s Degree in Business Administration from the University of Nicosia. Joshua is an outstanding entrepreneur and a strategist. He has a solid business drive and acumen to drive OESG.














Group CEO
CEO South Africa
Technical Director
Coley Zephenia is a serial entrepreneur and an enterprise architect with more than 12 years. of diverse consulting experience in the steel, manufacturing, retail, supply chain, IT, financial, telecoms, utilities and other industry sectors. He has been proven to deliver in complex business transformational programmes which included development of value-adding IT systems and business solutions for local, continental and international corporations. Coley has a deep and intricate understanding of the African markets.
George Gary Nyambuya is a 16th year postgraduate with a wide variety of experience in the Safety, Health, Environment and Quality Management fields. He received postgraduate Advanced Training in Quality Management in Germany. Gary is a highly sought after SHEQ subject matter expert, who has delivered unparalleled work in various sectors including mining, utility, manufacturing and energy. Throughout his career he has overseen and headed ISO 9001:2008 re/certification projects. He is a current board member of Southern African Society for Quality.