Solidium has appointed Matts Rosenberg (born 1977, Ph.D.) as its new CEO. Rosenberg currently acts as the CEO of Rettig. He has over 20 years of experience in active ownership, investments, and corporate transactions. Prior to Rettig, he worked e.g. as Deputy CEO & CFO of Fortaco Group, and as a private equity investment professional at IK Partners.
“We are pleased to welcome Matts Rosenberg to Solidium. His extensive experience in developing companies and driving shareholder value creation aligns perfectly with Solidium’s mission of being an active owner in nationally significant companies. Under Matts’ leadership, we will continue our strategy of value-driven ownership and promoting sustainable growth for our companies,” says Solidium’s Chair of the Board, Jouko Karvinen.
“To me, Solidium represents long-term and responsible ownership and holds a unique position in the Finnish economy. I take on the role as CEO with great interest and humility. Together with Solidium’s professional team, network, and other stakeholders, my goal is to enhance the impact of our activities and accelerate value creation,” says Matts Rosenberg.
Matts Rosenberg will start as CEO on 1 October 2025.
General Counsel Ulla Palmunen will be the Acting CEO of Solidium from 1 June 2025 until Matts Rosenberg takes on the duties of CEO. Reima Rytsölä, CEO of Solidium from 2022, will leave his position on 31 May 2025.
For additional information:
Solidium Oy; call-back requests, Inka Virtanen, assistant to the Chair, tel. +358 50 304 7904
Matts Rosenberg; tel. +358 40 198 9978
CV of Matts Rosenberg:
| Rettig, CEO | 2019 – present |
| Rettig, Deputy CEO / COO | 2016 – 2019 |
| Fortaco Group, Deputy CEO / CFO | 2014 – 2016 |
| IK Partners, Investment Professional (Private Equity) | 2005 – 2013 |
| Aventum Partners, Analyst (M&A) | 2003 – 2005 |
| Ph.D. (Econ.), Finance, Hanken School of Economics | 2004 |
Solidium is a limited liability company wholly owned by the State of Finland. Its mission is to strengthen and stabilise Finnish ownership in nationally important companies and increase the value of its holdings in the long term. The market value of Solidium’s total investments is approximately 6.8 billion euros. Further information: www.solidium.fi/en.