CEO and Management Team

Tuomas Hirvonen

Chief Executive Officer

Additional information


(Born 1969)
Education: M.Sc. (Tech), MBA, CEFA

  • Skarta Finland Oy, Chairman of the Board
  • Skarta Energy Oy, Chairman of the Board
  • Winestate Group Oy, Chairman of the Board
  • Energia Kiinteistöt Oy, Chairman of the Board
  • Hublet Oy, Member of the Board
  • The Wine and Spirits Collective Sweden AB, Member of the Board
  • P2X Solutions Oy, Member of the Board

Tuomas Hirvonen started as the Managing Director of Skarta Group Plc in July 2021. He has more than 25 years of experience in industry, financial and stock markets and venture capital. He has been involved in the operations of several companies as a partner, a Member of the Board of Directors and an operative manager in various industries in Finland and Sweden. Since 2008, he has been an entrepreneur and CEO of Capiloa Oy and Valkia Advisor Oy. From 2020 to 2021, he was the CFO of P2X Solutions Oy, in 2018 he was the CEO of Hublet Oy, and from 2005 to 2008, he was the Investment Director of Helmet Business Mentors Oy. Hirvonen worked as a stock analyst at Conventum Pankkiiriliike Oy from 2000 to 2004.

Through his company, Hirvonen owns 21.2% of Andament Group Oy, the largest shareholder of Skarta Group Plc, which owns 135,151,794 shares of Skarta Group Plc.

Jukka Juola

Chief Operating Officer

Additional information


(Born 1969)
Education: Bachelor of Engineering

  • Andament Group Oy and its subsidiaries, Member of the Board
  • Solarigo Systems Oy and Solarigo Oy, Member of the Board
  • Kallastor Oy, Member of the Board
  • Hanhikiven Sähkönmyynti Oy, Member of the Board

Jukka Juola became CEO of Skarta Finland Oy in 2020. He has been a partner of Andament Group Oy since 1994 and its CEO from 2001 to 2014 and from 2020. At Solarigo Systems Oy, he has been a partner since 2015. From 2013 to 2017, Juola worked as the CEO of Suomen Maastorakentajat Oy and as the CEO of SL Asfaltti Oy from 2009 to 2013.

Juola’s controlling company Kallastor Oy owns 1,415,474 shares of Skarta Group Plc. In addition, Jukka owns 57.6% of Andament Group Oy, which owns 135,151,794 shares.

Aku Väliaho

Chief Financial Officer

Additional information


(Born 1985)
Education: M.Sc. (Econ.)

Aku Väliaho started as the Chief Financial Officer at Skarta Group in January 2022. Previously he worked in various duties in financial administration and corporate finance at Finnair Oyj in 2015-2021. His responsibilities at Finnair included eg. Finnair’s real estate business unit, management of finance and investments of Finnair’s pension fund, as well as Finnair’s financing operations. Before Finnair, Väliaho has worked eg. at Oriola Group in duties related to finance and investments.

Sirpa Kovaniemi

Group Controller

Additional information


(Born 1958)
Education: Master of Social Sciences, TMC

  • Trasko Oy, Chairman of the Board

Sirpa Kovaniemi has worked at Trasko Oy as an entrepreneur and the Chair of the Board of Directors since 2010 and has a wide-ranging experience in the role of CFO. Through her own company, she has served as the CFO at the Skarta Group since 2019 and in Mecanova Oy from 2010 to 2012 and as CFO at the Jutron Oy Group from 1999 to 2008.

Essi Myllylä

Chief Legal Officer

Additional information


(Born 1982)
Education: Master of Laws; LL.M. 

  • Zoomin Oy, Member of the Board

Essi Myllylä has served as the Chief Legal Officer at the Skarta Group Plc since July 2021. Essi has extensive and versatile experience in various areas of contract and corporate law, as well as in human resources management and competence development processes. Essi is also responsible for the personnel affairs of the Group as a whole. Prior to her current position, Essi has held the position of the Director of Legal Affairs at other Skarta Group companies since 2019. Before that, she worked as HR Director at Kokkolan Energia Oy from 2018 to 2019 and
in the positions of management consulting and corporate lawyer in 20082017.

Marko Peltonen

Director of Investor Relations

Additional information


(Born 1994)
Education: M.Sc. (Econ.)

Marko Peltonen started as the Director of Investor Relations at Skarta Group Plc in July 2021. Previously, he worked for Privanet Group Oyj where he was the Chief Operating Officer and member of the Management Team from March 2021, and a specialist in the Compliance function of the Privanet Group between 2018-2021.

Peltonen owns 2,000 shares of Skarta Group Plc.

Jukka Raudasoja

Director of Strategy and Development

Additional information


(Born 1969)
Education: Lic.Sc. (Tech.) 

  • Boostra Oy, Chair of the Board
Jukka Raudasoja started as the Director of Strategy and Development of Skarta Group Plc in July 2021. He has been at Boostra Oy as an entrepreneur and CEO since 2017. Previously, he has held management positions at Ahola Transport Oyj as Business Director from 2016 to 2017 and at Destia Oy as Director from 2008 to 2016 and as Business Planning Manager from 2003 to 2008.

Hannu Mänty

Chief Integration Officer

Additional information


(Born 1964)
Education: M.Sc. (Admin.), Mechanical Engineer, Vocational Qualification in Business

Hannu Mänty was appointed Chief Integration Officer of the company in November 2021. He has been an entrepreneur and a manager in different positions for 20 years. He is a founder of InHunt Group Oy and has been its Chairman of the Board in 2008-2021 and CEO in 2010-2014. Previously he has been, among others, CEO of the Dexus Oy Group in 2006-2018 and owner and director of the Oscarrehvid chain, that operates in Baltic countries, in 2001-2005.

Mänty owns 2 035 202 shares in Skarta Group Plc.

Mikael Sidér

CEO, Skarta AB

Additional information


(Born 1972)
Education: MSc, Building Construction / Luleå tekniska universitet

Mikael Sidér has been the CEO of Skarta AB since 2015. Previously, he worked as Business Director at Lemminkäinen Sverige AB from 2011 to 2015, as the owner of Sidér och Sandklint Bygg AB from 2011 to 2014, as Supervisor at Destia Oy from 2009 to 2011 and as Civil Engineer at NCC from 2008 to 2009.

Sidér owns 22,059,801 shares of Skarta Group Plc.

Kari Tuominen

CEO, Skarta Energy Oy

Additional information


(Born 1963)
Education: Civil Engineer, M. Sc in Industrial Engineering

  • Caira Consulting Oy, Member of the Board

Kari Tuominen started as the CEO of Skarta Energy Oy in 2021 and before that he has had a thirty-year career at Peikko Group Oy in international production, management and wind power business management.

Tuominen owns 100,272 shares of Skarta Group Plc.

Matti Helaakoski

CEO, Skarta Infra (Niskasen Maansiirto Oy)

Additional information


(Born 1983)
Education: Bachelor of Construction Management

Matti Helaakoski has been CEO of Skarta Infra (Niskasen Maansiirto Oy) since 2020. Before that, he worked at Suomen Maastorakentajat Oy as a project manager from 2017 to 2020 and as a supervisor from 2005 to 2017.