Prof. Meissner leads the scientific activities. He has started to work with crystalsol's technology in 1979 with
the Philips research group and took over the technology in the late 1980s. He has been working on different types of solar technologies at different universities and research institutions in Europe, Asia, South America and the United States and has been involved in development projects with several solar companies. He has published more than 150 scientific papers and more than 100 patents in 37 patent families.