Alasdair McGregor studied architecture at the University of New South Wales, gaining an honours degree in 1979. In 1983 he co-organised an expedition to Heard Island and subsequently visited the subantarctic islands and the Antarctic continent several times. He also travelled extensively in the Pacific and Australia. Between 1996 and 2001, he was artist and photographer for the AAP Mawson's Huts Foundation. Since 2001 McGregor has curated and held numerous exhibitions of photography and paintings.