Upon graduating in Law from Monash University B.Juris, LLB, Jack has practised as a barrister in major litigation in all areas of law in jurisdictions throughout the country.

He is a King’s Counsel, a former Chairman of the Victorian Bar Council and from 2013 to 2015 served as a Supreme Court Judge returning to the Bar on 1 February 2016.

He was senior counsel assisting the Royal Commission into the Black Saturday fires of February 2009 and in 2012 was commissioned by the State Government to inquire into the operation and effectiveness of the senior command of Victoria Police and make recommendations for restructure.

Jack has served in the Royal Australian Navy Reserve for more than 30 years and holds the rank of Rear Admiral. He is currently Judge Advocate General – Australian Defence Force.

Prior to joining the St Kilda Football Club Board, Jack was Chair of the AFL Grievance Tribunal and provided legal advice to the AFL on a range of football matters. Jack also has a long association with the Victorian Amateur Football Association having served on the executive of the Association and is a former president of the Old Xaverian Football Club.

Jack is a lifelong supporter of the Saints. Jack was awarded an Order of Australia in 2022.