![Philipp Niemann](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>)
Philipp Niemann
Director/Board Member at
MARTIN MARIETTA MATERIALS, INC.
Net worth: 176 972 $ as of 30/07/2026
Profile
Philipp Niemann holds the position of Chief Executive Officer at Lhoist SA. Holds the role of Co-Managing Director at Walhalla Kalk GmbH & Co. KG, Rheinkalk Holding GmbH, Rheinkalk Lengerich GmbH, and Walhalla Kalk Verwaltungsgesellschaft mbH.
Serves as Managing Director at Rheinkalk GmbH.
Set to begin as Director at Martin Marietta Materials, Inc. in 2026.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 20/08/2026 | 337 ( 0% ) | 176 972 $ | 30/07/2026 |
Philipp Niemann active positions
| Companies | Position | Start |
|---|---|---|
| MARTIN MARIETTA MATERIALS, INC. | Director/Board Member | 20/08/2026 |
Rheinkalk GmbH
 Rheinkalk GmbH Construction MaterialsNon-Energy Minerals Manufactures lime and dolomite stone products | Chief Executive Officer | - |
Rheinkalk Holding GmbH
 Rheinkalk Holding GmbH Financial ConglomeratesFinance Functions as an investment holding company | Chief Executive Officer | - |
Walhalla Kalk GmbH & Co. KG
 Walhalla Kalk GmbH & Co. KG Construction MaterialsNon-Energy Minerals Manufactures lime stones and mixed products for construction industry | Chief Executive Officer | - |
Rheinkalk Lengerich GmbH
 Rheinkalk Lengerich GmbH Wholesale DistributorsDistribution Services Supplies glass, ceramics and cement | Chief Executive Officer | - |
Walhalla Kalk Verwaltungsgesellschaft mbH
 Walhalla Kalk Verwaltungsgesellschaft mbH Construction MaterialsNon-Energy Minerals Functions as an holding company whose subsidiaries engages in extraction and selling of lime stones | Chief Executive Officer | - |
Lhoist SA
 Lhoist SA Construction MaterialsNon-Energy Minerals Produces hi-calcium lime, dolomitic lime and industrial mineral products | Chief Executive Officer | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
38
1st degree connections
7
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 7 |
|---|---|
Martin Marietta Materials, Inc.
 Martin Marietta Materials, Inc. Construction MaterialsNon-Energy Minerals Operates quarries which produce and supply aggregates and magnesia-based chemicals and refractory products | Non-Energy Minerals |
Lhoist SA
Lhoist SA Construction MaterialsNon-Energy Minerals Produces hi-calcium lime, dolomitic lime and industrial mineral products | Non-Energy Minerals |
Walhalla Kalk GmbH & Co. KG
Walhalla Kalk GmbH & Co. KG Construction MaterialsNon-Energy Minerals Manufactures lime stones and mixed products for construction industry | Non-Energy Minerals |
Rheinkalk GmbH
Rheinkalk GmbH Construction MaterialsNon-Energy Minerals Manufactures lime and dolomite stone products | Non-Energy Minerals |
Rheinkalk Holding GmbH
Rheinkalk Holding GmbH Financial ConglomeratesFinance Functions as an investment holding company | Finance |
Rheinkalk Lengerich GmbH
Rheinkalk Lengerich GmbH Wholesale DistributorsDistribution Services Supplies glass, ceramics and cement | Distribution Services |
Walhalla Kalk Verwaltungsgesellschaft mbH
Walhalla Kalk Verwaltungsgesellschaft mbH Construction MaterialsNon-Energy Minerals Functions as an holding company whose subsidiaries engages in extraction and selling of lime stones | Non-Energy Minerals |
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