![Marcus Gustaf Walter Karsten](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>)
Net worth: 120 346 $ as of 2026-06-29
Marcus Gustaf Walter Karsten is currently the Chairman of Sähkötekniset työnantajat STTA ry, Director at Hedengren Oy AB, Director at LVI-Tekniset Urakoitsijat LVI-TU ry, Director at Suomen Kasipalloliitto Ry, Member-Delegation at Stiftelsen för Åbo Akademi, Head-Business Unit at Siemens AB, and President-Finland at Coor Service Management Holding AB. He previously held positions such as Chief Executive Officer at Are Talotekniikka Oy, Tekmanni Service OY, and Bravida Finland Oy, Chairman at Victor Ek Oy AB, and Managing Director at Lemminkäinen Talo Oy.
He also served as Executive VP-Technical Building Services at Lemminkäinen.
Oyj from 2012 to 2014.
Mr. Karsten obtained an undergraduate degree from Åbo Akademi University.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-05-04 | 23,041 ( 0.02% ) | 120 346 $ | 2026-06-29 |
| Companies | Position | Start |
|---|---|---|
| COOR SERVICE MANAGEMENT HOLDING AB | Corporate Officer/Principal | 2018-09-30 |
LVI-Tekniset Urakoitsijat LVI-TU ry
 LVI-Tekniset Urakoitsijat LVI-TU ry Personnel ServicesCommercial Services Operates as an industry and employer organization in HVAC installation industry | Director/Board Member | 2011-08-24 |
Sähkötekniset työnantajat STTA ry | Chairman | 2008-12-31 |
Stiftelsen för Åbo Akademi | Corporate Officer/Principal | 2010-12-31 |
Suomen Kasipalloliitto Ry | Director/Board Member | - |
Hedengren Oy AB
 Hedengren Oy AB Miscellaneous Commercial ServicesCommercial Services Operates as a holding company with interest in individual services | Director/Board Member | - |
Siemens AB
 Siemens AB Computer CommunicationsElectronic Technology Provides products and services to the electronic, electrical, and information technology sectors | Corporate Officer/Principal | - |
| Companies | Position | End |
|---|---|---|
| LEMMINKÄINEN | Corporate Officer/Principal | 2014-05-31 |
Tekmanni Service OY | Chief Executive Officer | - |
| ░░░░░░░ ░░░░░░░ ░░ | ░░░░░ ░░░░░░░░░ ░░░░░░░ | - |
| ░░░ ░░░░░░░░░░░░░ ░░ | ░░░░░ ░░░░░░░░░ ░░░░░░░ | - |
| ░░░░░░░░░░░░░ ░░░░ ░░ | ░░░░░░░░░ | - |
Active
Inactive
Listed companies
Private companies
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
| Private companies | 14 |
|---|---|
Lemminkäinen Oyj
 Lemminkäinen Oyj Engineering & ConstructionIndustrial Services Provides construction and engineering services | Industrial Services |
Stiftelsen för Åbo Akademi | |
Are Talotekniikka Oy
 Are Talotekniikka Oy Engineering & ConstructionIndustrial Services Provides technical contracting and services | Industrial Services |
Åbo Akademi University
 Åbo Akademi University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Siemens AB
Siemens AB Computer CommunicationsElectronic Technology Provides products and services to the electronic, electrical, and information technology sectors | Electronic Technology |
Lemminkäinen Talo Oy
 Lemminkäinen Talo Oy HomebuildingConsumer Durables Provides construction services | Consumer Durables |
Hedengren Oy AB
Hedengren Oy AB Miscellaneous Commercial ServicesCommercial Services Operates as a holding company with interest in individual services | Commercial Services |
Victor Ek Oy AB
 Victor Ek Oy AB Air Freight/CouriersTransportation Provides transportation and shipping services | Transportation |
Tekmanni Service OY | |
LVI-Tekniset Urakoitsijat LVI-TU ry
LVI-Tekniset Urakoitsijat LVI-TU ry Personnel ServicesCommercial Services Operates as an industry and employer organization in HVAC installation industry | Commercial Services |
Sähkötekniset työnantajat STTA ry | |
Coor Service Management Holding AB
 Coor Service Management Holding AB Miscellaneous Commercial ServicesCommercial Services Provides facilities management services | Commercial Services |
Bravida Finland Oy
 Bravida Finland Oy Engineering & ConstructionIndustrial Services Installs and maintains electricity, heating & cooling, water, ventilation and security products | Industrial Services |
Suomen Kasipalloliitto Ry |
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