Reiner Matthees was born in Freiberg, Germany, and holds a degree in electrical engineering from the University of Applied Sciences Mittweida, Germany,

Prior to founding the company SunStrom GmbH, and becoming a General Manager, Reiner Matthees was employed in the photovoltaic industry. During that time, he was project manager for the planning and installation of photovoltaic systems.

e-mail: reiner.mattheessunstromde

Stephan Riedel was born in Hamburg, Germany, and holds a M.Sc. degree from the University of Southampton, Great Britain and a Physik-Diplom from the University of Hamburg, Germany.

Prior to founding the company SunStrom GmbH and becoming a General Manager, Stephan Riedel worked at the Technical University Freiberg/Germany, as a physicist. During that time he performed research on silicon solar cells. 

e-mail: stephan.riedelsunstromde