Rozenes was born in the Polish city of Sosnowiec and migrated with his family to Australia at the age of three.

[2] At Brighton Grammar Rozenes represented the school in football, cricket and tennis and was an accomplished sprinter.

After graduating from university, Rozenes then served articles with Frank Galbally of the firm Galbally & O'Bryan and was admitted to the Supreme Courts of Victoria, New South Wales, Tasmania, Queensland, Western Australia and South Australia in 1971, and subsequently signed the Bar Roll in 1972.

In February 1992, he was appointed Commonwealth Director of Public Prosecutions, and his initial three-year term was extended for a further two years.

[4] He retired from the Court on 22 June 2015[5] and was eventually succeeded as Chief Judge by Senior Crown Prosecutor Peter Kidd SC.