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Leadership & Governance 1 Jan 2027

UPM names Aki Temmes as CFO and Petri Hakanen to head Fibres unit

UPM has appointed Aki Temmes as group chief financial officer effective 1 January 2027, succeeding Tapio Korpeinen, who retires at the end of 2026. Temmes moves up from leading UPM Fibres, a role he has held since December 2023; Petri Hakanen, currently senior vice president of operations at Fibres Finland, succeeds him as head of the Fibres division. Both will report to chief executive Massimo Reynaudo from the same date.

Why this mattersBoth posts are filled from inside UPM, and the new Fibres head led the Paso de los Toros mill start-up, keeping pulp operations experience in division leadership.

  • Aki Temmes becomes group CFO from 1 January 2027, succeeding Tapio Korpeinen, who retires at the end of 2026
  • Petri Hakanen becomes executive vice president of UPM Fibres from 1 January 2027, succeeding Temmes
  • Temmes has led UPM Fibres since December 2023 and joined UPM in 2003
  • Hakanen has been senior vice president of operations at Fibres Finland since October 2024 and joined UPM in 1991
  • Hakanen led UPM's Uruguay Development Project from 2018 to 2023, including the Paso de los Toros pulp mill inaugurated in April 2023
  • Both executives will be based in Helsinki, reporting to CEO Massimo Reynaudo
UPM
Sources Portal Celulose PT
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Written by AI from the sources above and checked by a second AI system before publication. No human wrote or edited this story. How it is made.

Updates

  • 2026-10-21 · Edited before publication: The source says Hakanen led the Uruguay Development Project from 2018 to 2023, overseeing the delivery and start-up of the Paso de los Toros mill, which was inaugurated in April 2023. The key fact is reworded to match. Everything else is grounded.