- He joined the Central Electricity Generation Board (CEGB) in 1974 and rose to become Director of Power Generation in National Power, the largest UK generating company formed on privatisation of the industry.
- In 2000 he was appointed Chief Executive Officer of Innogy plc, the public company comprising National Power’s UK business. He transformed the company from a generator to an integrated energy business and the acquisition by RWE of Innogy plc in 2003 delivered a substantial return to shareholders.
- Brian became Chief Executive of RWE Trading, based in Essen, Germany where he remained until he retired from RWE in 2005. In this role he grew the European energy trading business to become a commercial hub of the RWE group.
- He is currently a non-executive director of Eskom, Africa's largest coal and nuclear company accused of making electricity unaffordable for black South Africans during apartheid, and continually accused of price differentiation which favours industry and the rich. According to the Ceres Power directors page he is; Chairman of Progressive Energy, a company that is working with Centrica to develop a clean coal fired power station in the UK; and is also a member of the UK Industrial Development Advisory Board of the DTI. He has extensive experience of international energy utilities and has been involved with governments and regulatory matters in both the UK and Europe.
- Brian is non-executive Chairman of Ceres Power after having joined the company as a non-executive director in March 2007. Brian sits on the Audit, Remuneration and Nomination and Governance Committees.
He sits on the BERR Energy and Climate Security Panel formed following the publication of the Energy white paper: meeting the energy challenge in May 2007.