Mathias has been in the solar industry since before it became an industry. He is an expert in inverters with a lot of experience on the manufacturer and installer side. GREEN was the clear winner when he came onboard as a trainer in 2017.

since 2017 - Trainer at the GREEN Solar Academy

since 2016 - director of his own company Southern Cross Renewable Energy Technologies Pty Ltd.

2009-2016 MLT Drives, Senior Sales Engineer (Cape Town)

2006-2007 Solarzone Pty Ltd. (Somerset West)

2005-2006 Rapid Dawn solar Engineering (Johannesburg)

1996-1997 Electrical and Electronics Engineering at Solar Institute Jülich, Germany


Certified PV GreenCard Installer


  • PV Basics
  • PV system installation
  • PV system design off-grid and grid-tied
  • Quality assurance
  • Inverter technology