Jan Dirk Grobler is a 64-year-old South African male. He has a national diploma for technicians in light current from Pretoria Technicon and over 40 years of experience working in mechanical and electronic design, testing, and maintenance. He has worked at Lyttelton Engineering Works, CSIR, and Kentron and is now self-employed providing services in medical equipment maintenance, military vehicle integration, mechanical design, and electronic design.