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

Jonne Pöyhtäri

Jonne Pöyhtäri

CEO and 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 and
Chairman of the Board
Hubert Maffei

Hubert Maffei

Founding Partner

Claude Finckenberg

Claude Finckenberg

Founding Partner

Jonne Pöyhtäri

Jonne Pöyhtäri

CEO and
Founding Partner

Blank

Organizational build-up

Positions to be filled in 2026/2027

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