Greg Mackie

Greg Mackie
Occupation(s)CEO, History Trust of South Australia
Years active1984–present
Known forFounder, Adelaide Festival of Ideas; Imprints Booksellers

Gregory Alan Mackie OAM is a South Australian cultural advocate and entrepreneur who has worked to promote the arts and culture in Australia. He served two separate terms as an elected Councillor on the Adelaide City Council. He was managing director of independent bookshop Imprints Booksellers from 1984 to 2007, and founded the Adelaide Festival of Ideas in 1999.

He has served on many public bodies, including Arts SA, and Adelaide Writers' Week. As of March 2024 he is CEO of the History Trust of South Australia, after being appointed to the position in 2016.