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Joni Juhani Härkönen
Chief Executive Officer, SuJo Invest Oy
FI3 active roles
Active roles
3
directorships & management
Past roles
33
historical positions
Dissolved companies
2
in directorship history
- 2025 – nowChairperson, Joscon Asset Management Oy
- 2023 – 2024Board of Directors, Asunto Oy Ukinhovi
- 2022 – nowChief Executive Officer, Joscon Oy
- 2021 – 2023Board of Directors, Asunto Oy Kuopion Puijonkatu 22
- 2021 – 2022Deputy Member, Tukimuuri Oy
- 2020 – 2024Board of Directors, Asunto Oy Lehtisaaren Terassi, Helsinki
- 2020 – 2023Board of Directors, Chydenia Center Oy
- 2020 – 2023Deputy Member, Sat Asunnot Oy
- 2020 – 2023Board of Directors, Asunto Oy Lehtisaaren Torni, Helsinki
- 2020 – 2022Board of Directors, Chydenia Carpark Oy
- 2020 – 2022Board of Directors, Kiinteistö Oy Jyväskylän Ylistönmäentie 33
- 2020 – 2022Deputy Member, Sat Hotelli Oy
- 2020 – 2021Board of Directors, Asunto Oy Helsingin Papinpöydänkuja 3
- 2019 – 2025Board of Directors, Lehtisaaren rakennuttaja Oy
- 2019 – 2022Board of Directors, As. Oy Pihavaahtera
- 2019 – 2022Board of Directors, Kiinteistö Oy Seinäjoen Lääkäritalo
- 2019 – 2022Board of Directors, Kiinteistö Oy Kuopion Asemakatu 38-40
- 2019 – 2022Board of Directors, Kiinteistö Oy Seinäjoen Marttilankulma
- 2019 – 2022Deputy Member, Kiinteistö Oy Samla Oulun Haapalehto
- 2019 – 2022Board of Directors, Fastighets Ab Vasa Ekgården
- 2019 – 2022Board of Directors, Kiinteistö Oy Kuopion Käsityökatu 41
- 2019 – 2022Deputy Member, Kiinteistö Oy Jyväskylän Veturitallit
- 2019 – 2022Board of Directors, Kiinteistö Oy Viinikankatu 49
- 2019 – 2022Deputy Member, Kiinteistö Oy Jyväskylän Yliopistonkatu 28
- 2019 – 2022Deputy Member, Kiinteistö Oy Viherlaaksonranta 8
- 2019 – 2022Deputy Member, Kiinteistö Oy Kallioareena
- 2019 – 2022Deputy Member, Kiinteistö Oy Kalliokotka
- 2019 – 2022Deputy Member, Kiinteistö Oy Kärppäkallio
- 2019 – 2022Deputy Member, Kiinteistö Oy Samla Pitkäkallionkuja 1
- 2019 – 2022Deputy Member, Kiinteistö Oy Vaasan Saunatalo
- 2019 – 2019Deputy Member, Kiinteistö Oy Karjalohjan Apilaniitty
- 2019 – 2019Deputy Member, Kiinteistö Oy Oulun Päiväkodit
- 2019 – 2019Deputy Member, Kiinteistö Oy Lapuan Laulurastas
- 2019 – 2019Deputy Member, Keskinäinen kiinteistöyhtiö Korteniityntien Päiväkoti Oy
- 2018 – nowChief Executive Officer, SuJo Invest Oy
- 2012 – 2022Board of Directors, Asunto Oy Suvituulentie
Nationality
FI
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| SuJo Invest Oy CVR 2955925-4 | ManagementChief Executive Officer | Since 2018 | — | Active |
| Joscon Oy CVR 3254629-4 | ManagementChief Executive Officer | Since 2022 | — | Active |
| Joscon Asset Management Oy CVR 3530500-7 | BoardChairperson | Since 2025 | — | Active |
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| As. Oy Pihavaahtera CVR 0146356-8 | BoardBoard of Directors | 2019 – 2022 | — | Active |
| Kiinteistö Oy Seinäjoen Lääkäritalo CVR 0182562-9 | BoardBoard of Directors | 2019 – 2022 | — | Active |
| Kiinteistö Oy Kuopion Asemakatu 38-40 CVR 0234967-9 | BoardBoard of Directors | 2019 – 2022 | — | Active |
| Asunto Oy Kuopion Puijonkatu 22 CVR 0235312-5 | BoardBoard of Directors | 2021 – 2023 | — | Active |
| Asunto Oy Ukinhovi CVR 0310377-7 | BoardBoard of Directors | 2023 – 2024 | — | Active |
| Asunto Oy Suvituulentie CVR 0754601-4 | BoardBoard of Directors | 2012 – 2022 | — | Active |
| Kiinteistö Oy Seinäjoen Marttilankulma CVR 0847010-3 | BoardBoard of Directors | 2019 – 2022 | — | Active |
| Chydenia Center Oy CVR 0901989-1 | BoardBoard of Directors | 2020 – 2023 | — | Dissolved |
| Kiinteistö Oy Samla Oulun Haapalehto CVR 0991979-3 | OtherDeputy Member | 2019 – 2022 | — | Active |
| Fastighets Ab Vasa Ekgården CVR 1748974-6 | BoardBoard of Directors | 2019 – 2022 | — | Active |
| Kiinteistö Oy Karjalohjan Apilaniitty CVR 1887869-8 | OtherDeputy Member | 2019 – 2019 | — | Active |
| Kiinteistö Oy Kuopion Käsityökatu 41 CVR 1930065-2 | BoardBoard of Directors | 2019 – 2022 | — | Active |
| Chydenia Carpark Oy CVR 1972022-7 | BoardBoard of Directors | 2020 – 2022 | — | Active |
| Kiinteistö Oy Jyväskylän Veturitallit CVR 2101147-0 | OtherDeputy Member | 2019 – 2022 | — | Active |
| Kiinteistö Oy Viinikankatu 49 CVR 2106397-5 | BoardBoard of Directors | 2019 – 2022 | — | Active |
| Kiinteistö Oy Jyväskylän Yliopistonkatu 28 CVR 2111837-4 | OtherDeputy Member | 2019 – 2022 | — | Active |
| Kiinteistö Oy Jyväskylän Ylistönmäentie 33 CVR 2150330-1 | BoardBoard of Directors | 2020 – 2022 | — | Active |
| Kiinteistö Oy Viherlaaksonranta 8 CVR 2370467-6 | OtherDeputy Member | 2019 – 2022 | — | Active |
| Kiinteistö Oy Kallioareena CVR 2376311-5 | OtherDeputy Member | 2019 – 2022 | — | Active |
| Kiinteistö Oy Kalliokotka CVR 2418896-8 | OtherDeputy Member | 2019 – 2022 | — | Active |
| Kiinteistö Oy Kärppäkallio CVR 2695257-9 | OtherDeputy Member | 2019 – 2022 | — | Active |
| Kiinteistö Oy Samla Pitkäkallionkuja 1 CVR 2771486-3 | OtherDeputy Member | 2019 – 2022 | — | Active |
| Kiinteistö Oy Oulun Päiväkodit CVR 2834795-4 | OtherDeputy Member | 2019 – 2019 | — | Dissolved |
| Kiinteistö Oy Lapuan Laulurastas CVR 2848762-3 | OtherDeputy Member | 2019 – 2019 | — | Active |
| Keskinäinen kiinteistöyhtiö Korteniityntien Päiväkoti Oy CVR 2878109-9 | OtherDeputy Member | 2019 – 2019 | — | Active |
| Kiinteistö Oy Vaasan Saunatalo CVR 2922137-6 | OtherDeputy Member | 2019 – 2022 | — | Active |
| Lehtisaaren rakennuttaja Oy CVR 3100003-8 | BoardBoard of Directors | 2019 – 2025 | — | Active |
| Sat Asunnot Oy CVR 3144348-8 | OtherDeputy Member | 2020 – 2023 | — | Active |
| Sat Hotelli Oy CVR 3144349-6 | OtherDeputy Member | 2020 – 2022 | — | Active |
| Asunto Oy Helsingin Papinpöydänkuja 3 CVR 3168893-6 | BoardBoard of Directors | 2020 – 2021 | — | Active |
| Asunto Oy Lehtisaaren Torni, Helsinki CVR 3168897-9 | BoardBoard of Directors | 2020 – 2023 | — | Active |
| Asunto Oy Lehtisaaren Terassi, Helsinki CVR 3168898-7 | BoardBoard of Directors | 2020 – 2024 | — | Active |
| Tukimuuri Oy CVR 3224311-1 | OtherDeputy Member | 2021 – 2022 | — | Active |
2 dissolved companies in directorship history
Chydenia Center Oy
CVR 0901989-1 · Dissolved 2023 · —
Kiinteistö Oy Oulun Päiväkodit
CVR 2834795-4 · Dissolved 2019 · —
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Audit | 3companies | View profile | |
| Chairperson | 3companies | View profile | |
| Board of Directors | 2companies | View profile | |
| Board of Directors | 2companies | View profile | |
| Board of Directors | 2companies | View profile |