Arctic Sisu has assembled a strong team combining deep technical expertise with extensive management experience.

Jonne Pöyhtäri

Jonne Pöyhtäri

CEO
& Founding Partner

Antti Pohjoranta

Antti Pohjoranta

Chief
Technical Officer

Klaus Blechinger

Klaus Blechinger

Advisory
Board

Hanna-Maria Piipponen

Hanna-Maria Piipponen

Public Funding
& Business Development

Henri Karhu

Henri Karhu

Permitting Manager, Kotka Project

Pihla Hakuni

Pihla Hakuni

Analyst

Philip von Wulffen

Philip von Wulffen

Founding Partner &
Chairman of the Board

Hubert Maffei

Hubert Maffei

Founding
Partner

Claude Finckenberg

Claude Finckenberg

Founding
Partner

Jonne Pöyhtäri

Jonne Pöyhtäri

CEO
& Founding Partner

Blank

Organizational build-up

Positions to be filled in 2026/2027

Coming soon

Get in Touch.

We welcome collaboration with industrial partners, renewable energy developers, investors, and infrastructure operators interested in renewable gas projects.

Contact Information

Heikinkatu 7
48100 Kotka
FINLAND