Derek Mackay (born 30 July 1977) is a Scottish National Party politician serving as Finance Secretary of Scotland since 2016, and has served as Member of the Scottish Parliament for Renfrewshire North and West since 2011.
Mackay previously served as Minister for Transport and Islands and Minister for Local Government and Planning.
Mackay was elected to Renfrewshire Council in 1999 at the age of 21.