Our Team
AGIN, as an Incorporated Association, operates with an elected Committee consisting of a President, Deputy President, Secretary, Treasurer, and five additional Ordinary Members that meet formally each month. To ensure effective governance, the Committee has adopted the Australian Institute of Company Directors Not-for-Profit Governance Principles. Our Strategic Plan is for a four year period, to be reviewed every two years to ensure it still reflects the direction and priorities of the Association. Our Action Plan is assessed annually and reported on at our Annual General Meeting.
Executive Committee

Gail Hall

President & Co-Founder

Gail is well known in the urban greening sector in Australia and has extensive experience in green infrastructure policy including; authoring the award winning Growing Green Guide, the Roadmap for greener cities, developing multiple strategic plans and policy, the Melbourne Green Factor tool and convening Canopy - Melbourne’s Green roof forum.

Suzy Turner


Suzy has over 20 years’ project management experience in the built environment and a Master of Property Development from the University of Technology, Sydney. She is the Green Infrastructure Lead at JLL and a Cert IV qualified horticulturalist.

Ben Nicholson

Deputy President & Co-Founder

Ben is a pioneer, educator and passionate advocate of Green Infrastructure. He established the Urban Greener consultancy in 2008, is a Churchill Fellow, and has authored and led local government strategy. Ben has been associated with RMIT, La Trobe, Swinburne TAFE and the University of Melbourne. He has also written and presented widely on Green Infrastructure best practice.

Jua Cillers


Jua is the Head of the School of Built Environment at the University of Technology Sydney. She is the Co-chair of the Climate Action Group of the Commonwealth Association of Planners, Jua's research and publications focus on the planning of sustainable cities, Green Infrastructure and enhancing quality of life.

Committee Members

Zoe Avery

Zoe is Director at The Urbanist and Associate Director of Design (Urban Planning), School of Architecture and Planning at the University of Auckland. She is also Chair of Design for Nature and developed New Zealand’s award winning Living Roof Guide (Pukapuka tataki ki te mataora tuanui).

Laura Geoghegan

Laura is an urban sustainability professional who specialises in Climate Change Adaptation. She has over 15 years experience in local government sustainability and has worked in Australia, the UK and Aotearoa/New Zealand. Laura has a strong passion for nature and believes greener cities are essential for building resilience to the impacts of climate change.

Luli Castello

Luli is passionate about achieving greener more resilient cities. She trained as an Architect in her native Argentina and completed an MSc in Building Energy and Environmental Performance in the UK. Working with Junglefy in Sydney Luli developed Nature Based Solutions for clients, provided technical advice and managed Green Infrastructure product R&D.

Mitchell Clouten

Mitchell is a horticulture and landscape design professional specialising in Green Infrastructure. He has a Bachelor of Design, a Master of Landscape Architecture, and extensive experience leading projects at Fytogreen Australia for both commercial and residential applications of Green Infrastructure.

Sara Wilkinson

Sara is Research Director at the School of Built Environment, University of Technology Sydney and has worked in the public and private sectors. Her research focuses on preparing our built environment for climate change and she has published widely on Green Infrastructure including authoring a best practice guidance note for RICS on Green Roofs.