In 1952 he obtained the bachelor of laws of London University as an external student.

Elected representative when the Saint Lucia Labour Party gained power in 1979, Cenac became attorney general in the Allan Louisy administration.

[3] He served for 8 months until he too was forced into resignation on 17 January 1982. he was replaced in his position by Michael Pilgrim.

He died on 22 September 2004 and is buried in Castries City Cemetery.

His brother, Sir Neville Cenac, was also a prominent politician in Saint Lucia until his appointment as Governor-General in 2018.