![Dietmar Siemssen](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>)
Dietmar Siemssen
Chief Executive Officer at
Gerresheimer Glas GmbH
Profile
Dietmar Siemssen is Chief Executive Officer at Corning Pharmaceutical Glass LLC.
Holds Deputy Chairman-Management Board at Gerresheimer Boleslawiec SA. Serves as Chairman-Management Board at Gerresheimer Bünde GmbH, Gerresheimer Vaerloese A, Gerresheimer Denmark A, Sensile Medical AG, Gerresheimer Regensburg GmbH, Stable Beteiligungs GmbH, and Gerresheimer respimetrix GmbH.
Chairman at Centor, Inc., Centor Pharma, Inc., and Gerresheimer Glass, Inc. Co-Managing Director at Gerresheimer Group GmbH, Gerresheimer Holdings GmbH, and Gerresheimer Glas GmbH.
Director at Triveni Polymers Pvt Ltd. Member-Supervisory Board at BFC Fahrzeugteile GmbH.
Former Chief Executive Officer at Stabilus GmbH.
Chairman-Management Board & CEO at Stabilus SE from 2015 to 2018.
Chief Executive Officer at Centor US Holding, Inc. Chief Executive Officer at Gerresheimer AG from 2018 to 2025.
Head-Chassis & Safety Division at Continental AG from 1994 to 2011.
Dietmar Siemssen active positions
| Companies | Position | Start |
|---|---|---|
Stable Beteiligungs GmbH
 Stable Beteiligungs GmbH Financial ConglomeratesFinance Functions as an investment holding company | Chief Executive Officer | - |
Gerresheimer Holdings GmbH
 Gerresheimer Holdings GmbH MiscellaneousMiscellaneous Functions as an investment holding company | Chief Executive Officer | 2018-11-15 |
Gerresheimer Group GmbH
 Gerresheimer Group GmbH Containers/PackagingProcess Industries Manufactures tubular glass, specialty glass, container glass and plastics | Chief Executive Officer | - |
BFC Fahrzeugteile GmbH
 BFC Fahrzeugteile GmbH Wholesale DistributorsDistribution Services Supplies metal-based clamping profiles | Director/Board Member | - |
Gerresheimer Regensburg GmbH
 Gerresheimer Regensburg GmbH Miscellaneous ManufacturingProducer Manufacturing Manufactures plastic products | Chief Executive Officer | - |
Gerresheimer Bünde GmbH
 Gerresheimer Bünde GmbH Home FurnishingsConsumer Durables Manufactures glass & plastic containers & bottles | Chief Executive Officer | - |
Gerresheimer Boleslawiec SA
 Gerresheimer Boleslawiec SA Containers/PackagingProcess Industries Manufactures packaging and glass tubes | Corporate Officer/Principal | - |
Gerresheimer Denmark A/S
 Gerresheimer Denmark A/S Financial ConglomeratesFinance Functions as a investment holding company | Chief Executive Officer | - |
Gerresheimer Vaerloese A/S
 Gerresheimer Vaerloese A/S Containers/PackagingProcess Industries Manufactures and distributes containers and caps for the pharmaceutical market | Chief Executive Officer | - |
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Former positions of Dietmar Siemssen
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Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
65
1st degree connections
22
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 22 |
|---|---|
Continental AG
 Continental AG Automotive AftermarketConsumer Durables Manufactures and sells motor vehicle accessories and rubber products | Consumer Durables |
Gerresheimer Group GmbH
Gerresheimer Group GmbH Containers/PackagingProcess Industries Manufactures tubular glass, specialty glass, container glass and plastics | Process Industries |
Stabilus GmbH
 Stabilus GmbH Metal FabricationProducer Manufacturing Manufactures and develops gas springs and hydraulic vibration dampers | Producer Manufacturing |
Gerresheimer Holdings GmbH
Gerresheimer Holdings GmbH MiscellaneousMiscellaneous Functions as an investment holding company | Miscellaneous |
Gerresheimer Glas GmbH
 Gerresheimer Glas GmbH Containers/PackagingProcess Industries Manufactures bottles and containers for the cosmetics & pharmaceutical industries | Process Industries |
Gerresheimer AG
 Gerresheimer AG Containers/PackagingProcess Industries Manufactures plastic and glass products for the pharmaceutical and healthcare industry | Process Industries |
Corning Pharmaceutical Glass LLC
 Corning Pharmaceutical Glass LLC Containers/PackagingProcess Industries Makes products for the scientific, health care and pharmaceutical markets | Process Industries |
BFC Fahrzeugteile GmbH
BFC Fahrzeugteile GmbH Wholesale DistributorsDistribution Services Supplies metal-based clamping profiles | Distribution Services |
Gerresheimer Boleslawiec SA
Gerresheimer Boleslawiec SA Containers/PackagingProcess Industries Manufactures packaging and glass tubes | Process Industries |
Gerresheimer Bünde GmbH
Gerresheimer Bünde GmbH Home FurnishingsConsumer Durables Manufactures glass & plastic containers & bottles | Consumer Durables |
Gerresheimer Vaerloese A/S
Gerresheimer Vaerloese A/S Containers/PackagingProcess Industries Manufactures and distributes containers and caps for the pharmaceutical market | Process Industries |
Gerresheimer Denmark A/S
Gerresheimer Denmark A/S Financial ConglomeratesFinance Functions as a investment holding company | Finance |
Sensile Medical AG
 Sensile Medical AG Miscellaneous Commercial ServicesCommercial Services Develops sophisticated medical devices and industrial solutions for liquid delivery | Commercial Services |
Gerresheimer Regensburg GmbH
Gerresheimer Regensburg GmbH Miscellaneous ManufacturingProducer Manufacturing Manufactures plastic products | Producer Manufacturing |
Stable Beteiligungs GmbH
Stable Beteiligungs GmbH Financial ConglomeratesFinance Functions as an investment holding company | Finance |
Triveni Polymers Pvt Ltd.
 Triveni Polymers Pvt Ltd. Miscellaneous ManufacturingProducer Manufacturing Produces pharmaceutical plastic packaging products | Producer Manufacturing |
Stabilus SE
 Stabilus SE Auto Parts: OEMProducer Manufacturing Manufactures and sells gas springs and hydraulic dampers and automatic opening and closing systems | Producer Manufacturing |
Centor, Inc.
 Centor, Inc. Industrial ConglomeratesProducer Manufacturing Manufactures plastic vials and closures | Producer Manufacturing |
Centor US Holding, Inc.
 Centor US Holding, Inc. MiscellaneousMiscellaneous Operates as a holding company | Miscellaneous |
Centor Pharma, Inc.
 Centor Pharma, Inc. Pharmaceuticals: MajorHealth Technology Manufactures pharmaceuticals | Health Technology |
Gerresheimer Glass, Inc.
 Gerresheimer Glass, Inc. Pharmaceuticals: MajorHealth Technology Manufactures pharmaceutical products | Health Technology |
Gerresheimer respimetrix GmbH |
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