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Jonne Kristian Ryhänen
JK
Jonne Kristian Ryhänen
Stakeholder, JR-Adjutor
FI
3 active roles
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Overview
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Companies & roles
Active roles
3 positions
Company
Role
Period
Ownership
Status
JR-Adjutor
CVR 2674145-6
Other
Stakeholder
Since 2017
—
Active
JR yhtiöt oy
CVR 3274892-9
Board
Chairperson
Since 2024
—
Active
RNJ Group Oy
CVR 3571756-2
Board
Board of Directors
Since 2025
—
Active
Historical roles
4 positions
Company
Role
Period
Ownership
Status
VANTAAN VIHERRAKENNUSPALVELUT OY
CVR 2708618-2
Management
Chief Executive Officer
2015 – 2023
—
Active
EKOsiistiks Oy
CVR 3022346-7
Board
Chairperson
2019 – 2020
—
Active
JR VIHERTYÖT OY
CVR 3148251-6
Management
Chief Executive Officer
2020 – 2024
—
Active
JR crew Oy
CVR 3424006-1
Management
Chief Executive Officer
2024 – 2025
—
Active
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