Organisation

Helen Ltd is a company owned by the City of Helsinki and its administration is based on the Limited Liability Companies Act, the Articles of Association, the ownership strategy and the group policy of the City of Helsinki.

Members of the management group

Olli Sirkka CEO
Anu-Elina Hintsa SVP, Customers and services
Timo Aaltonen SVP, Heating and cooling
Harri Mattila SVP, Power generation and energy portfolio management
Sari Mannonen SVP, New business and hydrogen
Markus Lehtonen CEO, Helen Electricity Network
Tuomas Teuri SVP, Digital solutions
Tuukka Toivonen SVP, Strategy and M&A
Timo Rajala SVP, Finance
Janna Anttila SVP, Employee experience (HR, corporate security and premises)
Maiju Westergren SVP, Sustainability and Public Affairs
Susan Patronen SVP, Communications and brand

Background information

Olli Sirkka, CEO
CEO since 1/2023
Master of Science in Technology

Anu-Elina Hintsa, Customers and services
Part of the management group since 9/2020
Master of Science, International Business
Master of Political Sciences

Timo Aaltonen, Heating and cooling  
Part of the management group since 9/2020
Master of Science in Technology
Master of Economics and Business Administration 

Harri Mattila, Power generation and energy portfolio management 
Part of the management group since 2001
Master of Science in Technology

Sari Mannonen, New business and hydrogen 
Part of the management group since 5/2020
PhD in Biochemistry

Markus Lehtonen, Helen Electricity Network
Part of the management group since 2/2024
Master of Science in Technology, EMBA

Tuomas Teuri, Digital Solutions
Part of the management group since 9/2019
Master of Science in Technology

Tuukka Toivonen, Strategy and M&A
Part of the management group since 06/2023
Bachelor of Science, Electr. Eng.
Master of Business Administration (MBA)

Timo Rajala, Finance
Part of the management group since 2016
Master of Science, Business Administration

Janna Anttila, Employee Experience (HR, corporate security and premises) 
Part of the management group since 11/2023
Master of Business Sciences

Maiju Westergren, Sustainability and Public Affairs
Part of the management group since 2/2021
Master of Science in Technology, EMBA

Susan Patronen, Communications and brand
Part of the management group since 11/2023
Bachelor of Business Administration