Management and administration

Get to know our management team and board of directors.

Gasum Management Team

Mika Wiljanen

CEO

Vocational Qualification in Business and Administration
born 1965

Employed by Gasum since 2022

  • Member of the Board of Suomen Urheiluopiston Kannatusosakeyhtiö (SUK) since 2020
  • Member of the Board of Vierumäen Infra Oy since 2020
  • Member of the Board of Vierumäki Sports Oy since 2020
  • Member of the Board of Vierumäen Kumina Oy since 2020
Jacob Granqvist, VP Maritime, Gasum

Jacob Granqvist

Vice President, Maritime

M.Sc (Econ.), Master Mariner
born 1978

Employed by Gasum since 2019

Mikko Jaatinen

CFO

M.Sc (Econ.)
born 1983

Employed by Gasum since 2025

Hanna Kyrklund

Vice President, People and Culture

M.Sc. 
born 1985

Employed by Gasum since 2023

Anders Malm

Senior Vice President, Supply and Trading

DIHM Diploma in Business Management & Finance
born 1972

Employed by Gasum since 2020

Terhi Nyyssönen

Vice President, Power, IT and Legal

M.Sc. (Food Economics) 
born 1977

Employed by Gasum since 2021

Ville Pesonen

Vice President, Industry and Traffic

M.Sc (Energy Econ.)
born 1976

Employed by Gasum since 2016

Olga Väisänen

Vice President, Communications and Sustainability

M.Sc (Econ.)
born 1977

Employed by Gasum since 2011

Gasum Plc Board of Directors

The Gasum Plc Board of Directors has a minimum of three and a maximum of eight members. The members of the Board of Directors are elected by the Annual General Meeting of Shareholders for a term of office of one year at a time that ends at the end of the next Annual General Meeting of shareholders. The number of Board members is decided by the Annual General Meeting. 

The Board members are elected by the Annual General Meeting from among representatives of shareholders and independent non-executive experts with relevant business and industry experience. The composition of the Board of Directors must support the implementation of the company’s strategy, and efforts are made to ensure the Board’s diversity, with the aim to achieve a balanced gender distribution in the Board. The Chair and, where necessary, Vice Chair are elected by the General Meeting. 

The Chair of the Board of Directors is Sirpa-Helena Sormunen and the Vice Chair of the Board of Directors is Erkka Repo. The Secretary of the Board of Directors is Maaret Stepanoff, Gasum Legal Counsel.

Tasks of the Board of Directors:

  • Strengthening the Gasum strategy and supervising its implementation.
  • Seeing to the administration of the company and the appropriate organization of its operations in compliance with the Finnish Limited Liability Companies Act and the company’s Articles of Association.
  • Appointing the Gasum Chief Executive Officer (CEO) and deciding on the terms of the CEO’s service contract.
  • Deciding on the principles of the Group’s remuneration system.
  • Ensuring the appropriate organization of the supervision of the company’s accounting and financial matters.
  • Approving the financial statements.
  • Deciding on significant loans, business combinations and divestments as well as investments and approving the budgets and risk management principles.
  • Adopting the objectives of the Group’s human resources plans and overseeing their implementation.

Self-evaluation

The Board of Directors has adopted a written charter specifying the Board’s duties and working principles. The Board conducts an annual internal self-evaluation of its operations and working methods.

Committees

The Board has set up two committees to improve the efficiency of Board work: the Audit and Risk Committee and the People and Remuneration Committee. The Board nominates the members and Chairpersons of the Committees from among its members and confirms the Committees’ charters. The role of the Committees is to act as preparatory bodies that assist the Board in its work.

 

Board of directors

Sirpa-Helena Sormunen

Chair of the Board
Master of Laws, Trained on the bench
born 1959

Chair of the Board of Gasum since 21 March 2024
Member of the Board of Gasum since 31 March 2023
Chair of the People and Remuneration Committee

Vice Chair of the Board of Enersense Oyj
Member of the Board of Nammo AS

Erkka Repo

Vice Chair of the Board
M.Sc (Econ.)
Born 1970

Vice Chair of the Board of Gasum since 21 March 2024
Member of the Board of Gasum since 22 April 2022
Chair of the Audit and Risk Committee

CFO, Aspo Oyj since 2024
Member of the Board of Exel Composites Oyj

Elina Kivioja

Member of the Board
M.Sc (Econ.)
born 1964

Member of the Board of Gasum since 21 March 2024
Member of the Audit and Risk Committee

Board Member, Master English Ltd

Jukka Pahta

Member of the Board
M.Sc (Econ.), MBA
born 1966

Member of the Board of Gasum since 21 March 2024
Member of the Audit and Risk Committee

President & CEO, Koskisen Group
Member of the supervisory board, Finnish Maritime Defense Foundation 

Patrik Rautaheimo

Member of the Board
D.Sc. (Tech.)
born 1969

Member of the Board of Gasum since 10 April 2026
Member of the Audit and Risk Committee

Elomatic Oy, Chairman of the Board
Meri Aura Oy, Member of the Board
Napa Oy, Member of the Board
Cadmatic Oy, Member of the Board  

Petri Vihervuori

Member of the Board
Master of Arts (MA)
born 1971

Member of the Board of Gasum since 1 December 2025
Member of the People and Remuneration Committee

Senior Financial Adviser, Government Ownership Steering Department
Finavia Plc, Member of the Board