Career
He worked for the InterVarsity Fellowship (1968-1970), now the Australian Fellowship of Evangelical Students (AFES). Then pastored churches in Australia: Narwee and Central Baptist Church - both in Sydney - and Blackburn Baptist Church in Melbourne, which became a "megachurch" in the late 1970s, with seven pastors, a salaried staff of 25 and 1,000 attending. Plus several interim ministries.
He was then, briefly, pastor at First Baptist Church, Vancouver, Canada.
From 1983 to 1991 he worked for World Vision Australia. Since 1991, Croucher has been founding director of John Mark Ministries, serving pastors, ex-pastors, church leaders and their spouses throughout Australia and elsewhere.
The John Mark Ministries website, with 20,000 articles, claims to be the most accessed non-denominational religious website in Australia. Croucher has authored 12 books, including Still Waters Deep Waters (with 35,000 copies in print) and has been a regular participant on Australian radio and television programs.
During the past fifteen years he has been the convenor of supporters of Dawn Rowan in her legal battle with the Government of Australia.
In 2011, Croucher added his voice to those of other Christian leaders calling for the introduction of same-sex marriage in Australia.