BioSO4 BoD & Management

Janne Palosaari

CHAIR

Full-time Chair of the Board since June 2026.

Former CCO, Terrafame Ltd.

Former board roles: Finnish Battery Industries, University of Oulu technical faculty, IZA Industrial Advisory Board.

20+ years in base metals, battery materials and REE.

Riikka Aaltonen

BOARD MEMBER

Independent mining consultant.

Former Senior Adviser, Mineral Policy, Ministry of Economic Affairs and Employment, Finland.

Former board role: Rupert Resources Ltd.

25+ years in permitting and mine closure.

Erja Retzén

BOARD MEMBER

Chair of the Board, Bambra Oy.

Former Senior Managing Director, Global Listing Services, Nasdaq Nordic.

20+ years in Nordic capital markets, 15 close to mining and exploration

Hannele Vuorimies

BOARD MEMBER

Vice President, Global Solution Sales, Metso.

Former leadership roles at Outotec, Epiroc and Atlas Copco.

Extensive Nordic and global mine customer network.

Aki Saxén

BOARD MEMBER

Head of Cyber Security and IT Operations, Halton Oy.

Former IT leadership at Halton International and Electrolux Group.

25+ years in digital platform and CRM development.

GOVERNANCE

Finnish company, established and owned 100% under EU legislation.

The Board convenes monthly on strategy, compliance and finance, with a standing CEO report.