Mika Kalevi Wiljanen

Chief Executive Officer at Gasum Oy

Utilities

Energy Minerals

Profile

Mika Kalevi Wiljanen is currently the Chief Executive Officer at Gasum Oy since 2022 and also the Director at Vierumäen Infra Oy since 2020.
Previously, he worked as the Chief Executive Officer at St1 Oy and as the Managing Director & Director at ST1 Norge AS.

Mika Kalevi Wiljanen active positions

Companies	Position	Start
Gasum Oy Gasum Oy Integrated OilEnergy Minerals Gasum Oy imports natural gas and maintains gas transmission network. It sells liquefied natural gas and compressed natural gas to the customers, including restaurants, households, small houses, traffic, heating, local and district heat. The company was founded in 1994 and is headquartered in Espoo, Finland.	Chief Executive Officer	01/03/2022
Vierumäen Infra Oy	Director/Board Member	01/01/2020

All active positions of Mika Kalevi Wiljanen

Former positions of Mika Kalevi Wiljanen

Companies	Position	End
ST1 Norge AS ST1 Norge AS Gas DistributorsUtilities ST1 Norge AS owns fuel stations. It offers fuels, convenience products, and car wash. The firm also sells fossil and renewable liquid fuels to the businesses in the industrial, marine, and transport sectors. The company was founded in 1991 and is headquartered in Oslo, Norway.	Chief Executive Officer	01/01/2019
St1 Oy St1 Oy Electric UtilitiesUtilities Part of Keele Oy, St1 Oy is a Finnish company that produces and sells CO2-aware energy. The company is based in Helsinki, Finland. The company was founded in 1920. Veijo Henrikki Talvitie has been the CEO of the company since 2022.	Chief Executive Officer	-

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Linked companies

Private companies	4
ST1 Norge AS ST1 Norge AS Gas DistributorsUtilities ST1 Norge AS owns fuel stations. It offers fuels, convenience products, and car wash. The firm also sells fossil and renewable liquid fuels to the businesses in the industrial, marine, and transport sectors. The company was founded in 1991 and is headquartered in Oslo, Norway.	Utilities
St1 Oy St1 Oy Electric UtilitiesUtilities Part of Keele Oy, St1 Oy is a Finnish company that produces and sells CO2-aware energy. The company is based in Helsinki, Finland. The company was founded in 1920. Veijo Henrikki Talvitie has been the CEO of the company since 2022.	Utilities
Gasum Oy Gasum Oy Integrated OilEnergy Minerals Gasum Oy imports natural gas and maintains gas transmission network. It sells liquefied natural gas and compressed natural gas to the customers, including restaurants, households, small houses, traffic, heating, local and district heat. The company was founded in 1994 and is headquartered in Espoo, Finland.	Energy Minerals
Vierumäen Infra Oy

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