Meet the team

Bristol Green Doors is managed on a day to day basis by Dan Weisselberg. is supported by the other directors Tom Beale, Ben Ross, Kate Watson, Jamie Siggers, Layla Stapenhurst and Chris Preist. Bristol Green Doors directors have a wealth of training and experience in sustainability, energy use and retrofitting.

Dan Weisselberg has a diploma in Advanced Environmental and Energy Studies (AEES) course at Centre for Alternative Technology (CAT). Dan completed a retrofit project on his own home, with so much interest from friends and neighbours, and a background in marketing and teaching, he was compelled to start an eco open homes event and Bristol Green Doors was born! Dan works operationally as the Programme Manager taking an active role in developing the event and CIC with a strong emphasis on marketing and developing Bristol Green Doors partner and sponsor relationships. 
Kate Watson completed her MSc in Advanced Environmental and Energy Studies at CAT in July 2011. Kate was one of the founding directors of Bristol Green Doors, project managing our inaugral event in 2010, and the following two technologies events in 2011. Kate has also managed our successful LEAF terrace project. Prior to her involvement in Bristol Green Doors, Kate had a career as an interior architect. Kate is an Energy Manager at Bristol City Council.
Ben Ross Ben Ross has worked in sustainability across the built environment and energy systems for 15 years, and also completed the MSc AEES at CAT. Previous roles include Environmental Advisor for the Bank of Ireland, Senior Sustainability Advisor at Forum for the Future, where he led projects on domestic energy and ‘energy culture’, and as COO at the Institute of Asset Management. As well as carrying out improvements to his own home he has worked closely with homeowners as they have embarked on their own journey, national and local Government, communities, charities and across the supply chain. Ben is currently Partnerships and Business Development Manager for the renewable energy company Good Energy.
Tom Beale has helped a number of social enterprises get off the ground, including Bristol Green Doors. Tom's interest is in strategic development. Tom has previously worked as an assessor for the Local Food grants and his experience in this area has been instrumental in developing Bristol Green Doors funding applications. Tom is also a director of Coexist CIC who provide a community hub in Stokes Croft, and was a founding director of both the Bristol Energy Cooperative and Transition Bristol.
Jamie Siggers is a Chartered Structural Engineer with over 15 years’ experience as a consultant in the buildings construction industry. Jamie has a particular interest in sustainable building design and retrofit at both domestic and commercial level. He has experience at Board level of strategic planning, finance and legal issues in both the commercial and voluntary sectors to help steer Bristol Green Doors in his role as Finance Director. He is currently approaching the end of a 7 year mission to refurbish and retrofit his Victorian townhouse to modern energy and water saving standards.
Chris Preist is a Reader at University of Bristol Department of Computer Science, with particular interest in how computer systems can support sustainable behaviour. He is also a BGD householder, and is opening his home for the fourth time in 2015.

Bristol Green Doors events could not be delivered so successfully without the help of others. In 2015 the team has been expanded to include Tim Trew as our Event Manager and Jack Fennel as our Data and Case study assistant.


Tim Trew - 2015 Event Manager
Jack Fennel - Data and Case study assistant

We are ably supported by the following:

We could not of course do any of this without our householders and event stewards, whose time and enthusiasm make Bristol Green Doors the event that it is. Thank you all!

Collaborating with us are a number of partners and sponsors without whom our development would not be possible.

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