He served as a member of the House of Assembly from 1968 until his death two years later.

[1] He attended Townsville State School and All Souls School in Charters Towers, before returning to Papua, where he became a businessman and plantation owner.

[1] In the 1968 general elections, Evennett contested the Esa'ala Open constituency under the Tok Pisin name "Nomani".

He was elected to the House of Assembly on the first count after receiving more than half of all votes cast.

[2] He died in Samarai hospital in June 1970, survived by his wife and children.