Field of expertise: Economics and finance

Kulmuni was elected to the Parliament of Finland in 2015 for the Lapland constituency and reelected in 2019. After the 2019 elections, she was named the Minister of Economic Affairs in Antti Rinne's cabinet. 

On 7 September 2019, Kulmuni became the leader of Keskusta and, five days later, she succeeded Mika Lintilä as the Deputy Prime Minister of Finland, subsequently becoming Minister of Finance in Sanna Marin's Cabinet. 

Kulmuni covered other roles, such as being a Member of the Board of Governors of the European Investment Bank (EIB), European Stability Mechanism (ESM), Asian Infrastructure Investment Bank (AIIB), European Bank for Reconstruction and Development (EBRD), Nordic Investment Bank (NIB), and World Bank.