YIT Corporation has appointed Mari Puoskari (M.Sc. Tech.) as EVP, Residential Finland segment and a member of YIT?s Leadership Team, Effective July 8, 2026, at the latest. She currently serves as CEO of Pilke Päiväkodit Oy and Dibber Sverige Ab.

Mari Puoskari brings over 20 years of experience in both corporate and public roles. Prior to her current position, she was CEO of FCG Finnish Consulting Group and has also held senior business leadership roles at Pöyry and Ekokem. In addition, Mari has served in several public positions, including as Chair of the Helsinki City Council from 2013 to 2016.

She has served as CEO of Pilke Kindergartens since 2022 and CEO of Dibber Sverige Ab since 2024. Previously, she was Group CEO of FCG Finnish Consulting Group from 2018 to 2022, President of Environment at Pöyry from 2017 to 2018, and held various leadership roles at Ekokem from 2013 to 2016. She is a member of the board at Remeo Oy since 2019 and A-Insinöörit since 2023, a member of the advisory board at LUT University since 2022, and a member of the supervisory board at Elo since 2023, where she also serves as vice chairman and a member of the election committee from 2026.

Heikki Vuorenmaa will continue as interim leader of the Residential Finland segment, alongside his duties as the CEO, until Mari Puoskari assumes the role.