![Ralf-Dieter Thiehofe](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Ralf-Dieter Thiehofe currently holds managing director positions at Rupp + Hubrach Optik GmbH and Nika Optics GmbH.
| Companies | Position | Start |
|---|---|---|
Rupp + Hubrach Optik GmbH (Gemany)
 Rupp + Hubrach Optik GmbH (Gemany) Medical SpecialtiesHealth Technology Manufactures corrective lenses and distributes a broad range of progressive and unifocal lenses | Chief Executive Officer | - |
Nika Optics GmbH
 Nika Optics GmbH Medical DistributorsDistribution Services Supplies spectacle lenses and eyewear glassware | Chief Executive Officer | - |
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| Private companies | 2 |
|---|---|
Rupp + Hubrach Optik GmbH (Gemany)
Rupp + Hubrach Optik GmbH (Gemany) Medical SpecialtiesHealth Technology Manufactures corrective lenses and distributes a broad range of progressive and unifocal lenses | Health Technology |
Nika Optics GmbH
Nika Optics GmbH Medical DistributorsDistribution Services Supplies spectacle lenses and eyewear glassware | Distribution Services |
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