Peter Fenwick is an octogenarian libertarian.

He has written three books – "The Fragility of Freedom", "Liberty at Risk", and "The Fortunate" - and is a contributor to Quadrant, a conservative political journal. "Chalmers Offers Australia a New Deal" appeared in the Mar 23 edition. He blogs at www.peterfenwick.com where he applies Austrian economics to current issues.

Peter was born in Geelong, Australia and educated at Geelong College. He has a BE and an MBA from Melbourne University.

In 1976, Peter founded Fenwick Software, an IT consultancy. Its culture is built on the principles of classical liberalism. When he retired in 2011, he established an employee shareholder scheme, and sold 75 percent to key staff, one of whom, Greg Galloway, has been successfully managing the firm ever since.

Peter plays chess and royal tennis. He has been married to Jill, a teacher, historian and author, since 1966. They have three sons and three grandchildren. They live in East Melbourne, Australia.