* In 1998, [[Alexander Siffrin]] founded Key-Systems GbR (Gesellschaft bürgerlichen Rechts), a civil law partnership company, in Friedrichsthal/Saarland, Germany. | * In 1998, [[Alexander Siffrin]] founded Key-Systems GbR (Gesellschaft bürgerlichen Rechts), a civil law partnership company, in Friedrichsthal/Saarland, Germany. |