our team
committee members
2025-2026 office holders
president
ruth barcan
Ruth brings her academic experience and sustainability credentials to this role. She has been very active with the group of many years having run multiple events such as Solar Made Simple, Whirl Recycling and the Bike Muster. Ruth is a keen environmentalist who loves the bush, birds and camping. She now spends most of her time volunteering for environmental groups and singing.
secretary
sarah flarey
Sarah has a background as a primary school teacher and has worked with children in different capacities since leaving formal education. Sarah’s passions are Permaculture, supporting children and art and she is currently building her garden up to become a therapeutic space to support children within and share with others.
treasurer
gavin street
Gavin is a local Berowra dad, involved in a number of different clubs and associations, including Apex, coaching basketball and the Berowra Sustainability Co-op.
Gavin runs his own business advising on the development, construction and operation of large solar farms.
He spends as much as his free time as he can playing bass guitar and drums or walking in the Berowra bushland.
member
alex krickx
Alex is a Berowra dad with three young kids and passionate about sustainability. In his day job he is a Sustainability Consultant with a background in energy efficiency and embodied carbon. In his free time he loves to talk beer and home-brewing and spending time outside.
member
kate friend
Kate Friend is our former Chairperson and original founder of the Berowra Sustainability Co-Operative.
Kate continues to help work on practical solutions to climate change and sustainability through a variety of local incentives and educational seminars.
Outside of the BSC, Kate is a scientist and business owner, a singer in two local bands, and a mother to three beautiful children
constitution
Established in 2021, Berowra Sustainability Co-op Ltd (BSC) is a registered co-operative in NSW. Our ABN is 47 261 786 404.
Our constitution is registered with Fair Trading NSW and is publicly available via the button below.