https://www.riotinto.com/news/releases/2022/kaisa-hietala-to-join-rio-tinto-board
Kaisa Hietala to join Rio Tinto Board | Global
kaisa hietalario tintojoinboardglobal
https://www.oulu.fi/en/cooperation/alumni-activities/alum-year/change-influencer-kaisa-hietala-loves-significant-challenges
Change influencer Kaisa Hietala loves significant challenges | University of Oulu
Alum of the Year 2021 is Kaisa Hietala.
kaisa hietalauniversity ofchangeinfluencerloves