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Who we are

The Green Gauge Trust is currently run by four independent directors, who are adding to their number based on appointing directors with specific skills identified by the board, previous governance experience, and connections with important stakeholder groups.

Others in the Green Gauge team have the passion and the experience to help transform the buildings sector so that it can deliver genuinely low energy low carbon buildings.

Green Gauge offers those who partner with it the opportunity to be fully involved in shaping the organisation’s priorities and activities.

Green Gauge Trust Directors

John WalkerWhilst Planning Director at Milton Keynes Development Corporation, John Walker led the formation of the UK’s first building energy performance standards in the 1980s and introduced mandatory standards at that time for all subsequent development in Milton Keynes.

As Chief Executive of the Commission for the New Towns, he was involved with the development of tens of thousands of homes and billions of pounds of commercial property investment.

More recently, he has advised on delivery arrangements in growth areas, including the Eco-towns where he was Chair of the Eco-towns Challenge Panel. He was also a key driver of the innovative Milton Keynes tariff system for infrastructure investment.

John is chair of Green Gauge Trust.

Liz ReasonLiz Reason is an energy specialist, who has applied her expertise to policy analysis and strategy development across fuel poverty, energy markets, renewable energy and, most recently, the built environment.  From 1989 to 2003, Liz was director of ILEX Energy Consulting Ltd, one of Europe’s leading energy markets specialists, advising commercial and government clients in the UK and Europe on a wide range of issues on the electricity market and latterly the carbon market.

From 1989 to 1995, she combined her directorship of ILEX with being Managing Director of Windcluster Ltd, a small and successful wind energy development company.

From 2004-2009, Liz was director of the AECB’s CarbonLite, a programme of energy and carbon literacy for a sustainable built environment.  She was a member of the Eco-towns Challenge Panel. Liz is a director of the National Energy Foundation.

Liz is Managing Director of Green Gauge Trust.


Brian Berry is Chief Executive of the Federation of Master Builders (FMB) where formerly he was Director of External Affairs. Brian Berry cropped Prior to joining FMB, Brian was Head of UK Public Policy at the Royal Institution of Chartered Surveyors (RICS).  During his time at the RICS, Brian was seconded to Brussels to set up the RICS European Policy Unit.

Brian started his career as a teacher at The Charterhouse Square School in central London. He was made a Freeman of the City of London in 1989 and is a Fellow of the Royal Society of Arts.  He is a regular commentator on construction industry issues and has appeared on BBC news, Sky and Radio 4.

Brian is a member of the Green Gauge Trust board.

Andrew Burke is the National Housing Federation‘s Policy Officer for Asset Management, Retrofitting and New Build.Andrew headshot

Andrew is an architect with over 30 years’ experience in energy efficiency and housing. He worked for a local authority research and development group on energy efficiency and solar water heating demonstration projects before working in central government on building regulations, energy and construction research. He joined the Federation at the beginning of 2010 to lead on asset management, with a particular emphasis on refurbishing, retrofitting and greening existing homes. While existing homes is his main focus at the Federation, Andrew also leads on building regulations, the Code for Sustainable Homes and other sustainability standards.