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Bertil Christer Sumelius
President at
Investsum AB Oy
Net worth: 889 162 $ as of 2026-07-30
Profile
Bertil Christer Sumelius is currently the Chairman of Proveto Oy, Citymac Travels Oy, Director of Chemdyes Sdn.
Bhd., Nikolai Sourcing Oy, I-Hygiene Solutions Sdn.
Bhd., President of Investsum AB Oy, and Member of Directors' Institute Finland - Hallitusammattilaiset ry.
He previously held positions as Vice Chairman of Glaston Oyj from 2011 to 2014, Independent Director of Tecnotree Oyj from 2001 to 2019, and Director of Xemet Oy from 2008 to 2015.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
TECNOTREE OYJ 0.48% | 2025-09-29 | 110,572 ( 0.48% ) | 739 141 $ | 2026-07-30 |
GLASTON OYJ 0.29% | 2026-03-30 | 121,294 ( 0.29% ) | 150 021 $ | 2026-07-30 |
Bertil Christer Sumelius active positions
| Companies | Position | Start |
|---|---|---|
Investsum AB Oy | President | 1983-12-31 |
Directors' Institute Finland - Hallitusammattilaiset ry
 Directors' Institute Finland - Hallitusammattilaiset ry Miscellaneous Commercial ServicesCommercial Services Operates as an association of board professionals promoting better corporate governance and management | Corporate Officer/Principal | 2010-04-25 |
Chemdyes Sdn. Bhd.
 Chemdyes Sdn. Bhd. Chemdyes Sdn. The private company is based in Perai, Malaysia. Bhd. is a Malaysian supplier of textile auxiliaries and chemical solutions, specializing in products for weaving, pretreatment, dyeing, printing, finishing, optical brightening, inkjet printing, and textile coating. The Malaysian company provides catalysts, resins, stabilizers, antifoaming agents, pigments, binders, and specialty chemicals, including halal-certified products for industrial, healthcare, and personal hygiene markets. Chemdyes distributes products for Archroma and has partnered with Textilcolor AG to expand local and regional production of textile dyes and auxiliaries. The CEO of the company is Joe Sidek. | Director/Board Member | 2010-04-25 |
Nikolai Sourcing Oy
 Nikolai Sourcing Oy Air Freight/CouriersTransportation Provides global sourcing and supply chain services | Director/Board Member | 2010-04-25 |
I-Hygiene Solutions Sdn. Bhd. | Director/Board Member | 2010-05-05 |
Proveto Oy | Chairman | 2013-05-31 |
Citymac Travels Oy | Chairman | 2013-05-31 |
Former positions of Bertil Christer Sumelius
| Companies | Position | End |
|---|---|---|
| TECNOTREE OYJ | Director/Board Member | 2019-09-05 |
Xemet Oy
 Xemet Oy Information Technology ServicesTechnology Services Provides computer programming services | Director/Board Member | 2014-12-31 |
| ░░░░░░░ ░░░ ░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | ░░░░░░░░░░ |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
69
1st degree connections
10
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 10 |
|---|---|
Glaston Oyj
 Glaston Oyj Industrial SpecialtiesProcess Industries Provides glass processing solutions and services | Process Industries |
Investsum AB Oy | |
Tecnotree Oyj
 Tecnotree Oyj Packaged SoftwareTechnology Services Develops telecommunication software | Technology Services |
Directors' Institute Finland - Hallitusammattilaiset ry
Directors' Institute Finland - Hallitusammattilaiset ry Miscellaneous Commercial ServicesCommercial Services Operates as an association of board professionals promoting better corporate governance and management | Commercial Services |
Chemdyes Sdn. Bhd.
Chemdyes Sdn. Bhd. Chemdyes Sdn. The private company is based in Perai, Malaysia. Bhd. is a Malaysian supplier of textile auxiliaries and chemical solutions, specializing in products for weaving, pretreatment, dyeing, printing, finishing, optical brightening, inkjet printing, and textile coating. The Malaysian company provides catalysts, resins, stabilizers, antifoaming agents, pigments, binders, and specialty chemicals, including halal-certified products for industrial, healthcare, and personal hygiene markets. Chemdyes distributes products for Archroma and has partnered with Textilcolor AG to expand local and regional production of textile dyes and auxiliaries. The CEO of the company is Joe Sidek. | |
Xemet Oy
Xemet Oy Information Technology ServicesTechnology Services Provides computer programming services | Technology Services |
Nikolai Sourcing Oy
Nikolai Sourcing Oy Air Freight/CouriersTransportation Provides global sourcing and supply chain services | Transportation |
I-Hygiene Solutions Sdn. Bhd. | |
Proveto Oy | |
Citymac Travels Oy |
- Stock Market
- Insiders
- Bertil Christer Sumelius
