Mia Ranta-Aho

Mia Ranta-aho currently serves as Director of Sustainability at Wärtsilä since 2025. Prior to this role, Mia was Head of Sustainability at Stockmann for a brief period in 2024, where responsibilities included setting sustainability priorities, managing CSRD reporting development, and collaborating with various departments to implement sustainability operations. Before Stockmann, Mia held the position of Head of Sustainability at Tokmanni from 2023 to 2024, overseeing sustainability projects and leading a team. A significant tenure as Head of Sustainability at YIT from 2018 to 2023 involved managing sustainability initiatives and contributing to the green finance framework. Prior experiences also include VP of Corporate Responsibility at Lemminkäinen, Key Account Manager at Save the Children, and various roles at Microsoft and Nokia, focusing on sustainability insights and environmental management. Mia's academic background includes an MSc in Environmental Engineering from Tampere University of Technology and a qualification from Jyväskylä Commercial College.