In 1895, Greene joined the Bank of New South Wales and was posted to the gold-rush town of Kalgoorlie, Western Australia. After a few years he joined the bank's head office in Sydney, and then was transferred to Lismore, New South Wales. From 1902 he farmed a property near Nimbin with his two brothers.
In 1895, Greene began working for the Bank of New South Wales and was stationed in Kalgoorlie, Western Australia. After some time, he moved to the bank's headquarters in Sydney before being transferred to Lismore, New South Wales. From 1902 onwards, he farmed a property near Nimbin with his brothers.