JOKER Tech is a start-up company founded by Henk Oldenkamp and Julian Mattheis. Our mission is to enable true AC Photovoltaic modules.
Position Chief Technology Officer
1984 Founder of OKE services
1992 Development of first µ-Inverter
1997 Licensing to NKF
2001 Pioneering in LED Lighting and Power Electronics
2009 Consulatant for SMA
2015 Finalist Google‘s „little box“ inverter