Holloway was an Electorate Research Officer, and holds BSc, BEc, BE (Hons) qualifications from the University of Adelaide.
[1] As Minister for Resources Development, Holloway oversaw a rapid expansion in the mining sector in South Australia.
During his tenure, the number of major mining licences issued by the State Government expanded from 4 to 17.
One result of his initiative was the discovery of the Carrapateena deposit, currently being developed by OZ Minerals.
Appointments and positions include: He also continues to work as a consultant for Griffins Lawyers.