Oskari Tammenmaa

b. 1980

Sits on 13 boards. Last updated September 28, 2026

Time on boards

Boards served
13
Current seats
13
Board service
31 years
Director since
2021

31 years of board service in total across 13 boards, counting each seat separately. Longest: Network Rail Infrastructure Finance PLC, 5 years.

5 years · Since 2021
2 years · Since 2024
Trfc 2013-1 PLC Director
2 years · Since 2024
Trfc 2014-2 PLC Director
2 years · Since 2024
Trfc 2015-1 PLC Director
2 years · Since 2024
2 years · Since 2024
2 years · Since 2024
1 year · Since 2024
1 year · Since 2024
OAK NO.5 PLC Director
1 year · Since 2024
1 year · Since 2024
1 year · Since 2025
1 year · Since 2025

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