Oliver is an Investment Director at B.P. Marsh, a specialist venture capital / private equity investor. Prior to this, he was the Assistance Company Secretary at B.P. Marsh, a position he had held since August 2011.

Oliver has been an Ambassador for the MCT since 2014, when the scheme was started, and has represented the MCT via attending a number of charity events and presenting various Awards, including the Marsh Award for Education in Botanic Gardens, Marsh Award for International Plant Conservation, Marsh Volunteer Awards with We Are With You, amongst others. He has always been interested in the activities of the MCT, with a particular interest in Arts and Culture, Social Welfare and Conservation.

Oliver became a Trustee for the MCT in November 2024.