![Wolfgang Tretbar](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>)
Wolfgang Tretbar, who previously worked at Rheinmetall AG, Pierburg GmbH, and KS Huayu Alutech GmbH, held positions such as Member-Supervisory Board and Member-Works Council.
| Companies | Position | End |
|---|---|---|
KS Huayu Alutech GmbH
 KS Huayu Alutech GmbH Metal FabricationProducer Manufacturing Manufactures and supplies aluminum engine blocks | Director/Board Member | - |
Pierburg GmbH
 Pierburg GmbH Auto Parts: OEMProducer Manufacturing Manufactures and wholesales carburetors | Corporate Officer/Principal | - |
| RHEINMETALL AG | Director/Board Member | - |
Active
Inactive
Listed companies
Private companies
| Private companies | 3 |
|---|---|
Rheinmetall AG
 Rheinmetall AG Aerospace & DefenseElectronic Technology Manufactures armored tracked vehicles, automotive components and defence equipment | Electronic Technology |
Pierburg GmbH
Pierburg GmbH Auto Parts: OEMProducer Manufacturing Manufactures and wholesales carburetors | Producer Manufacturing |
KS Huayu Alutech GmbH
KS Huayu Alutech GmbH Metal FabricationProducer Manufacturing Manufactures and supplies aluminum engine blocks | Producer Manufacturing |
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