Personal Profile of Jonathan Weber Jonathan Weber Worked in the High Voltage Industry for last 43yrs of which 24 yrs in SA & Last 16yrs in New Zealand. Registered Assessor Level 5 in High Voltage Industry in New Zealand for last 16yrs & in SA for 24yrs. Completed American Grid Systems Operations Diploma for Transmission & PowerStation Controllers Planner for 9 yrs in SAP & Maximo Grid Operations Controller for 16yrs with Transpower NZ