Doogan was the SNP's Energy Security and Net Zero Spokesperson between September 2023 to July 2024.

[4] From 2011 to 2016, Doogan worked in the office of the then Scottish Finance Secretary and Deputy First Minister John Swinney.

[6] He later identified achievements from this time as including the construction of a footbridge over the A9, the building of the £11m Tulloch Primary School, the renovation of Perth Crematorium and the conversion of a number of disused sites to council housing.

[3] Doogan was also a member of the JD Fergusson Arts Awards Trust, the Convention of Scottish Local Authorities, the Perth City Development Board, Perth Common Good Fund and the Tayside Valuation Joint Board, among others.

[6] After his election to Parliament in December 2019 Doogan announced his intention to stand down as a councillor, with the timing of his resignation subject to the Chief Executive of PKC scheduling a by-election.

[9] Doogan was sworn into Parliament on 18 December — swearing on the Jerusalem Bible —[10] and made his maiden speech on 21 January 2020.

[13] In May 2023, Doogan stated that he had contacted the Independent Parliamentary Standards Authority (IPSA) in order to repay a London congestion charge penalty claimed in error.