Brooke was admitted to practice in 1966, and has practised over 54 years in property law, wills and deceased estates. Throughout his career Brooke practised law in a general suburban law firm, Boothby & Boothby. Brooke became a principal in Boothby & Boothby in 1968 where he worked until joining Hicks Oakley Chessell Williams as a consultant in February 2020.
Outside the office Brooke enjoys escaping to his farm property near Inverloch, as well as swimming and playing tennis.