![Arimo Kalervo Ristola](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>)
Arimo Kalervo Ristola
Chief Executive Officer at
Akr-Invest Oy
Net worth: 3 M $ as of 31/05/2026
Profile
Arimo Kalervo Ristola currently works at HB-Betoniteollisuus Oy, as Chairman from 2019 and Akr-Invest Oy, as Chairman & Managing Director from 2017.
Mr. Ristola also formerly worked at Honkarakenne Oyj, as Chairman, Silenta Oy Ltd, as Managing Director, and Silenta Electronics Oy Ltd, as Managing Director from 1993 to 2016.
Mr. Ristola received his graduate degree in 1972 from the University of Jyväskylä.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
Keskisuomalainen Oyj
 Keskisuomalainen Oyj Publishing: NewspapersConsumer Services Publishes, prints and distributes newspapers 2.43% | 31/03/2026 | 2,66,125 ( 2.43% ) | 3 M $ | 31/05/2026 |
Arimo Kalervo Ristola active positions
| Companies | Position | Start |
|---|---|---|
Akr-Invest Oy
 Akr-Invest Oy Real Estate DevelopmentFinance Provides real estate and investment services | Chief Executive Officer | 01/01/2017 |
HB-Betoniteollisuus Oy
 HB-Betoniteollisuus Oy Construction MaterialsNon-Energy Minerals Manufactures concrete garden products | Chairman | 01/01/2019 |
Former positions of Arimo Kalervo Ristola
| Companies | Position | End |
|---|---|---|
Silenta Electronics Oy Ltd
 Silenta Electronics Oy Ltd Industrial ConglomeratesProducer Manufacturing Manufactures hearing protectors | Chief Executive Officer | 01/01/2016 |
Silenta Oy Ltd
 Silenta Oy Ltd Medical SpecialtiesHealth Technology Manufactures electronic hearing protectors | Chief Executive Officer | - |
| HONKARAKENNE OYJ | Chairman | - |
Training of Arimo Kalervo Ristola
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
2
1st degree connections
6
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 6 |
|---|---|
Honkarakenne Oyj
 Honkarakenne Oyj HomebuildingConsumer Durables Engages in construction of log houses | Consumer Durables |
University of Jyväskylä
 University of Jyväskylä Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
HB-Betoniteollisuus Oy
HB-Betoniteollisuus Oy Construction MaterialsNon-Energy Minerals Manufactures concrete garden products | Non-Energy Minerals |
Silenta Oy Ltd
Silenta Oy Ltd Medical SpecialtiesHealth Technology Manufactures electronic hearing protectors | Health Technology |
Silenta Electronics Oy Ltd
Silenta Electronics Oy Ltd Industrial ConglomeratesProducer Manufacturing Manufactures hearing protectors | Producer Manufacturing |
Akr-Invest Oy
Akr-Invest Oy Real Estate DevelopmentFinance Provides real estate and investment services | Finance |
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- Arimo Kalervo Ristola
