Career
Cockwell grew up in Hampshire and attended Stanbridge Earls. He briefly worked as a shepherd on Salisbury Plain before moving to Australia. He moved to the Falkland Islands in 1964 to work at Packe Brothers and Company limited in Fox Bay, becoming the company’s Manager in 1967.
He was elected to the Legislative Council at the 1997 general election for the Camp constituency and re-elected four years later as a member for Stanley.
He didn"t seek re-election in 2009.