Team

Matts Rosenberg
CEO

Matts Rosenberg (b. 1977), Ph.D. (Econ.) Finance, joined Rettig in 2016. Prior to this, he worked at IK Partners in Stockholm as an investment professional focusing on mid-market buyouts in Finland and Sweden, and as CFO & Deputy CEO of Fortaco Group, a mechanical engineering company with operations across Europe. Mr Rosenberg holds a Ph.D. in Finance from the Hanken School of Economics in Helsinki.

Topi Jokiranta
CFO

Topi Jokiranta (b. 1975), MBA, joined the firm in 2013. His previous roles at Rettig included Treasury Manager and Head of Group Treasury. Prior to Rettig Topi has worked in various Treasury roles internationally at Cadbury Plc, Diageo Plc, Tesco Plc and Carestream Health Inc. Topi holds an MBA from Aalto University Executive Education (Helsinki, Finland) and AMCT certificate from The Association of Corporate Treasurers (UK).

John Lindström
Director

John Lindström (b. 1985), M.Sc. (Econ.), Finance, joined Rettig in 2015. He has worked in Rettig’s investment team in various positions with both our core investments as well as our financial investments. Prior to Rettig John has worked in international Investment Banking roles at Navigo Partners and Citi as well as a Ratings Analyst at S&P. John holds an MSc from Hanken School of Economics.

Josefin Strömberg
General Counsel

Josefin Strömberg (b. 1986), LL.M, joined Rettig as General Counsel in 2022. Previously she worked as an attorney-at-law with mergers and acquisitions and corporate matters in an international environment at DLA Piper Finland Attorneys. Josefin holds a Master of Laws degree from the University of Helsinki.

Erik Wijnbladh
Director

Erik Wijnbladh (b. 1981), M.Sc. (Engineering), B.Sc. (Business and Economics), joined Rettig as Director in 2022. Before joining, he was a Senior Manager within the venture capital and start-up team at Amazon Web Services (AWS). Erik has a solid experience in venture and growth capital investments from previous work at the European Investment Fund (EIF) and Saminvest. Erik holds a Master of Science in Engineering and a Bachelor of Science in Business and Economics from Uppsala University. He has also studied law and finance at Stockholm University, Executive Education Programs at Harvard Business School in the USA and IMD in Switzerland.

Roger Lönnberg
Director, Head of Family Office

Roger Lönnberg (b. 1975), M.Sc. (Econ.) Finance, joined Rettig in 2011. His main previous roles at Rettig include CIO of Rettig Group, Head of Investment Management at Rettig Capital as well as serving as CoB of Alandia Insurance, a company where Rettig held a large ownership previously. He has also been heading our Family Office operation since 2013. Prior to this, he has worked various investment management roles at Norvestia Plc, eQ Asset Management and Neomarkka Plc. Mr Lönnberg holds a M.Sc. in Finance from the Hanken School of Economics in Helsinki.

Maria von Rettig
Chairman of the Board

Member since 2016
Born 1978
FdA Graphic designer
Art Director, photographer

Martina von Rettig
Member

Member since 2020
Born 1982
BSBA
MA in Psychology

Janne Larma
Member

Member since 2020
Born 1965
M.Sc. (Econ.)
Chairman of the Board, eQ Plc

Other board assignments:
Chairman of the Board Notalar Oy
Member of the Board Inkoo Shipping Oy Ab
Member of the Board Hanken School of Economics

Andreas Tallberg
Member

Member since 2024
Born 1963
M. Sc. (Econ.)
Chairman and CEO, G.W. Sohlberg Oy Ab

Other board assignments:
Chairman of the Board Mehiläinen Konserni Oy
Chairman of the Board Retta Group
Chairman of the Board Infinited Fiber Company
Senior Advisor in Rothschild Global Advisory