Jonas Siljeskär

Chief Operating Officer at BEWI ASA

Net worth: 286 763 $ as of 2026-08-30

54 year

Process Industries

Consumer Services

Profile

Jonas Siljeskär is currently 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. Former roles include Chief Executive Officer at BEWiSynbra Group AB from 2020 to 2025, 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%	2025-12-30	124,126 ( 0.05% )	286 763 $	2026-08-30

Jonas Siljeskär active positions

Companies	Position	Start
BEWI ASA	Chief Operating Officer	2009-12-31
IZOBLOK S.A.	Director/Board Member	-
Bewi Raw BV Bewi Raw BV Part of Unipol Holland BV, BEWI RAW BV is a Dutch company that specializes in providing packaging materials, components, and insulation solutions with a focus on minimizing environmental impact. The company is based in Etten-Leur, the Netherlands. The company is committed to supporting the industry's transition toward a circular economy and organizes its product offerings into divisions including automotive & components, circular, insulation & construction, and packaging, with localized information for different countries. BEWI RAW operates within a wider network of external sales sites and brands across multiple countries. The CEO of the company is Jonas Siljeskär. BEWI RAW was acquired by Unipol Holland BV from Bewi ASA on July 10, 2025 for $77.85 million.	Chief Executive Officer	-
Gustafs Inredningar I Dalarna AB	Chief Operating Officer	-

All active positions of Jonas Siljeskär

Former positions of Jonas Siljeskär

Companies	Position	End
BEWiSynbra Group AB BEWiSynbra Group AB Industrial SpecialtiesProcess Industries Manufactures packaging, components, and insulation products	Chief Executive Officer	2025-10-31
Thermisol AB	Corporate Officer/Principal	-
Tomoku Hus AB	Corporate Officer/Principal	-

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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 Bewi Raw BV Part of Unipol Holland BV, BEWI RAW BV is a Dutch company that specializes in providing packaging materials, components, and insulation solutions with a focus on minimizing environmental impact. The company is based in Etten-Leur, the Netherlands. The company is committed to supporting the industry's transition toward a circular economy and organizes its product offerings into divisions including automotive & components, circular, insulation & construction, and packaging, with localized information for different countries. BEWI RAW operates within a wider network of external sales sites and brands across multiple countries. The CEO of the company is Jonas Siljeskär. BEWI RAW was acquired by Unipol Holland BV from Bewi ASA on July 10, 2025 for $77.85 million.