![Jonas Siljeskär](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>)
Jonas Siljeskär
Chief Operating Officer at
BEWI ASA
Net worth: 259 672 $ as of 2026-05-30
Profile
Currently, Jonas Siljeskär is Chief Executive Officer at BEWiSynbra Group AB since 2020, Managing Director at BEWI RAW BV, Member of the Supervisory Board at IZOBLOK SA, Chief Operating Officer at Bewi ASA since 2010, and Chief Operating Officer at Gustafs Inredningar I Dalarna AB. Formerly, the roles included Production Director at Tomoku Hus AB and Production Manager at Thermisol AB. Education includes undergraduate studies at Dalarna University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
BEWI ASA 0.05% | 2024-12-30 | 124,126 ( 0.05% ) | 259 672 $ | 2026-05-30 |
Jonas Siljeskär active positions
| Companies | Position | Start |
|---|---|---|
| BEWI ASA | Chief Operating Officer | 2009-12-31 |
| IZOBLOK S.A. | Director/Board Member | - |
BEWiSynbra Group AB
 BEWiSynbra Group AB Industrial SpecialtiesProcess Industries Manufactures packaging, components, and insulation products | Chief Executive Officer | 2019-12-31 |
Bewi Raw BV | Chief Executive Officer | - |
Gustafs Inredningar I Dalarna AB | Chief Operating Officer | - |
Former positions of Jonas Siljeskär
| Companies | Position | End |
|---|---|---|
Thermisol AB | Corporate Officer/Principal | - |
Tomoku Hus AB | Corporate Officer/Principal | - |
Training of Jonas Siljeskär
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
12
1st degree connections
8
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 8 |
|---|---|
IZOBLOK SA
 IZOBLOK SA Industrial SpecialtiesProcess Industries Engages in the production of molded polypropylene foam | Process Industries |
Tomoku Hus AB | |
Gustafs Inredningar I Dalarna AB | |
Dalarna University of
 Dalarna University of Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
BEWiSynbra Group AB
BEWiSynbra Group AB Industrial SpecialtiesProcess Industries Manufactures packaging, components, and insulation products | Process Industries |
Bewi ASA
 Bewi ASA Containers/PackagingProcess Industries Manufactures and distributes expandable polystyrene packaging & insulation products | Process Industries |
Thermisol AB | |
Bewi Raw BV |
- Stock Market
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- Jonas Siljeskär
