Dr. Gerald Siefer is an active member of the IEC working group 7 to develop international standards of CPV. He has more than 145 publications.
Dr. Gerald Siefer has joined the Fraunhofer Institute for Solar Energy Systems in Freiburg, Germany as an assistant student in 1997. Since then, his work is focused on the characterisation and calibration of photovoltaic devices. He finished his Ph.D. on "Analysis of the performance of multi-junction cells under realistic operating conditions" in 2008. Since 2009, he has been leading the team "III-V Cell and Module Characterisation". His team works on calibration techniques for multi-junction solar cells with up to 6 p-n junctions for space and terrestrial concentrator applications and the indoor and outdoor characterisation of concentrator modules. He has been a member of the scientific committees of several international PV conferences. Dr. Gerald Siefer is an active member of the IEC working group 7 on developing international standards related to CPV.