"He has substantial PLC level experience and is Senior Independent Director of both United Utilities Group plc and Ladbrokes Coral Group plc and a Non-Executive Director of Premier Marinas Holdings Limited. Mark was previously Chief Executive of Barratt Developments plc from 2006-2015 and is a former trustee of the Building Research Establishment and the UK Green Building Council. Prior to joining Barratt, he was an executive director of Centrica plc and held a number of senior roles both within Centrica plc and British Gas. Mark has also been a non-executive director of BAA plc, the airports operator." 
"Mark Clare was appointed Group Chief Executive of Barratt Developments plc, the UK's largest housebuilder, in October 2006. Mark is a member of the Government's new Green Construction Board, and is a Trustee of the BRE Trust and the UK Green Building Council. He chaired the Housing Workstream of the Government's Task Force looking at environmental innovation in the construction industry.
"Previously Managing Director of Centrica's British Gas Residential Energy operation, Mark Clare joined British Gas in 1994, becoming Centrica's Finance Director in 1997 and Managing Director of British Gas Residential Energy in 2002. Whilst at British Gas he served as a member of the Energy Saving Trust and was on the Government's Fuel Poverty Advisory Group. He was a Non-Executive Director of BAA plc until its acquisition." 
- Chair, Grainger