Pekkala worked as a manager in a bank in Haapavesi 1952–1985. He was elected to the parliament in 1970 and was a deputy chairman of Centre Party from 1971 to 1986, when he left the parliament. He served as a deputy speaker of the parliament from 1976 to 1978 and as the speaker 1978–1979. Pekkala was Minister of Finance in three consecutive cabinets 1979–1986. He served as the Governor of Oulu Province in 1986–1991.
- Kaleva. "Ahti Pekkala kuollut - viimeinen puhe lauantai-iltana | Kotimaa" (in Finnish). Kaleva.fi. Retrieved 2014-08-24.
- "Council of State - Ministers of Finance". Valtioneuvosto.fi. Retrieved 12 January 2018.
- "Edustajamatrikkeli". Eduskunta. Archived from the original on 2012-02-12. Retrieved 2018-10-05.
| Speaker of the Parliament of Finland
| Minister of Finance
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