Board of Directors
The Board of Directors has overall responsibility for the company’s governance and the appropriate arrangement of its operations. The Board has approved written rules of procedure for itself, which define the matters that must be discussed by the Board. The Board of Directors confirms the principles concerning the company’s strategy, organization, accounting and asset management supervision. It also appoints the CEO, who is responsible for the implementation of the company’s strategy and management of its day-to-day affairs in accordance with the instructions and orders given by the Board.
According to the company’s Articles of Association, the Board of Directors comprises 3 to 8 ordinary members. The term of office of the members of the Board of Directors ends at the end of the Annual General Meeting following their election. The Board elects a Chairperson from among its members.
Martin Backman
Chairman of the Board
Member of the Board since 2025
Backman has been an independent advisor since 2018. In 2017-2018 he was Managing Director of Aktia Bank Oyj and in 2014-2017 he was Managing Director of Suomen Teollisuussijoitus Oy (TESI).
Sami Somero
b 1975
Master of Science
Member of the Board of Directors since 2011
Sami Somero has served as a member of the company’s board since 2011. Somero is a private investor and board member in several growth companies. He has been CEO of Nurmiranta Holdings Oy since 2010 and CEO of Central Office Finland Oy since 2011. Somero previously worked as the business director of Cybercom Finland Oy in 2008–2010 and in business management positions of the Almare and Plenware groups in 1999–2008.
In addition to Tamturbo, Sami Somero serves as a member of the following administrative, management or supervisory bodies outside the Company and/or as a partner in the following partnerships:
| Company | Position |
| Despro Engineering Oy | Chairman of the Board |
| Haarla Group Oy | Chairman of the Board |
| Haarla Oy | Chairman of the Board |
| Nurmiranta Holdings Oy | Chairman of the Board |
| Gofore Oyj | Member of the Board |
| Granite Devices Oy | Member of the Board |
| Tampeltech Oy | Member of the Board |
| Radientum Oy | Member of the board |
| Varaani Works Oy | Member of the board |
| 7bros Oy | Member of the board |
| Anders Innovations Oy | Member of the board |
| Central Office Finland Oy | Member of the board |
| Taipuva Consulting Oy | Member of the board |
| VividWorks Oy | Member of the board |
Heidi Ahonen
b 1978
Master of Social Sciences
Member of the Board of Directors since 2020
Heidi Ahonen has over 20 years of versatile experience in private equity industries. Prior to her current position as senior investment lead at Ilmastorahasto Oy, Heidi worked on the boards of several growth companies in her previous position as CEO of Nostetta Ventures Oy and investment director at state-owned Finnvera Oyj subsidiary Veraventure Oy.
In addition to Tamturbo, Heidi Ahonen acts as a member of the following administrative, management or supervisory bodies outside the Company and/or as a partner in the following partnerships:
Board member, CapHolder Oy, Healthfactory Oy, Nostetta Ventures Oy, Wimao Oy
Deputy board member, Xwoop Oy