![Henner Mahlstedt](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>)
Henner Mahlstedt
Director/Board Member at
IMPLENIA AG
Net worth: 2 M $ as of 2026-06-29
Profile
Mr. Henner Mahlstedt is a Vice Chairman at Implenia AG and a Managing Partner at Mahlstedt Consultants GbR.
He is on the Board of Directors at Implenia AG and Kaiserswerther Diakonie.
Mr. Mahlstedt was previously employed as a Chairman by HOCHTIEF Solutions AG, a Chief Executive Officer by Pegel & Sohn GmbH Co. Kg, and an Executive Director by Strabag Hoch-und Ingenieurbau AG.
He received his undergraduate degree from Technische Universität Braunschweig.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
IMPLENIA AG 0.12% | 2026-01-04 | 21,399 ( 0.12% ) | 2 M $ | 2026-06-29 |
Henner Mahlstedt active positions
| Companies | Position | Start |
|---|---|---|
| IMPLENIA AG | Director/Board Member | 2015-03-23 |
Kaiserswerther Diakonie | Director/Board Member | - |
Mahlstedt Consultants GbR | Corporate Officer/Principal | 2011-12-31 |
Former positions of Henner Mahlstedt
| Companies | Position | End |
|---|---|---|
HOCHTIEF Solutions AG
 HOCHTIEF Solutions AG Engineering & ConstructionIndustrial Services Provides construction and facility management services | Chief Executive Officer | 2011-12-31 |
Pegel & Sohn GmbH Co. Kg | Chief Executive Officer | 2002-12-31 |
Strabag Hoch-und Ingenieurbau AG | Director/Board Member | 2000-12-31 |
Training of Henner Mahlstedt
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
18
1st degree connections
7
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 7 |
|---|---|
Implenia AG
 Implenia AG Engineering & ConstructionIndustrial Services Provides construction services | Industrial Services |
Technische Universität Braunschweig
 Technische Universität Braunschweig Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
HOCHTIEF Solutions AG
HOCHTIEF Solutions AG Engineering & ConstructionIndustrial Services Provides construction and facility management services | Industrial Services |
Kaiserswerther Diakonie | |
Strabag Hoch-und Ingenieurbau AG | |
Pegel & Sohn GmbH Co. Kg | |
Mahlstedt Consultants GbR |
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