• Photovoltaics (technology, system technology, grid integration, measurement technology, stability studies, operational management)
• Preparation of performance and yield analyses and yield forecasts for photovoltaic systems and individual modules
• Electrical and optical analysis of solar cells

Within the university:

• Vice Chair of the Senate
• Director of the Laboratory for Photovoltaics and Solar Energy Conversion

• Since 2013: Professor of Renewable Energy at Coburg University of Applied Sciences and Arts, serving, among other roles, as associate dean and dean of the faculty
• 2008–2013: Team leader of a development group at the solar company Calyxo GmbH, overseeing the “ramp-up” of production lines to increase the efficiency and stability of solar modules.
  In addition to his work in the industry, he served as a lecturer at Magdeburg University of Applied Sciences, teaching courses in photovoltaics and energy meteorology.
• 1997: Ph.D., Development of Flat-Panel Display Technologies, Humboldt University of Berlin
• 1992–2008: Research Associate and Project Manager, development of electronic components and network components for optical communications and display technology, Fraunhofer Institute for Communications Technology (Heinrich Hertz Institute, Berlin)
• 1988–1991: Research Associate, Central Institute for Electron Physics, Berlin
• 1983–1988: Studied physics at Humboldt University of Berlin