[1] He was elected a Member of the Scottish Parliament for the electoral region of the Highlands and Islands in 2016, serving in various roles in the Conservative Shadow Cabinet before his elevation to the House of Lords in 2024.

[6][7] Cameron worked as an advocate for ten years before his election and acted for a range of clients in public, agricultural and crofting law.

[12] Scottish Conservative leader Ruth Davidson nominated Cameron to be Shadow Cabinet Secretary for Health and Sport.

In 2022, Cameron joined Ross in calling for Boris Johnson to resign as Prime Minister over the Westminster lockdown parties controversy, along with a majority of Scottish Conservative MSPs.

He was replaced by Tim Eagle as a Conservative regional MSP for the Highlands and Islands,[23] and was created a Life Peer on 4 March 2024 as Baron Cameron of Lochiel, of Achnacarry in the County of Inverness.