Jean-Philippe joined Robert Bosch in 2005, where he served in several functional roles including dealing with complex and technical systems (braking system & Autonomous driving). He performed at BOSCH Chassis Brakes & Actuation division• Purchasing Quality • 3years in Angers (France) & 3 years in Barcelona (Spain). In 2011, He was in Technical sales for 3 years, then Group Leader for the past 6 years managing a team of 4-7 sales engineers with Sales managers & Acquisition managers. Since 2021, Jean-Philippe has taken up the position of Director of Bosch Mobility Solutions with the African regional responsibility of leading Mobility Solutions Sales. Jean-Philippe also serves as board member of the “NAACAM National Executive Committee” of South Africa since January 2022. Furthermore, he holds a Master degree obtained from the Mechanic Engineering School ENSMM from Besançon (France). In 2000 at IUT MP from Montbéliard (France) Jean-Philippe completed his two-year university degree in "Mesures Physiques", a generic science course preparing for Engineering school entrance exams.

Graydon Epstein is a business leader and major shareholder of Mafika Engineering, Africa’s largest independent specialist in the remanufacturing and zero-hour overhaul of high-horsepower diesel engines for the mining industry. With extensive experience in heavy mining equipment (HME) and industrial engineering, he has led Mafika’s expansion, positioning it as a trusted alternative to OEMs for large-scale mining operations. Graydon played a pivotal role in securing one of RMB Ventures’ largest private equity investments, with the firm acquiring a 45% stake in Mafika Engineering. This strategic investment has further strengthened Mafika’s position as a key player in the mining services sector, driving growth and innovation in engine remanufacturing. Beyond diesel engine rebuilding, Graydon is at the forefront of innovation in sustainable energy solutions, actively contributing to the hydrogen economy. He is collaborating with global industry leaders, including Bosch and Hyphen, to develop hydrogen-powered internal combustion engine (H2ICE) technology tailored for heavy-duty applications in the mining sector. His expertise spans industrial strategy, engineering innovation, and the integration of new energy technologies into resource-intensive industries.