AGIN, as a company limited by guarantee and registered charity, operates with an elected Board of Directors consisting of a President, Deputy President, Secretary, Treasurer, and three additional Directors that meet formally each month. To ensure effective governance, the Board has adopted the Australian Institute of Company Directors Not-for-Profit Governance Principles. Our Strategic Plan covers a four-year period and is reviewed every two years to ensure it still reflects the direction and priorities of the organisation. Our Action Plan is assessed annually and reported on at our Annual General Meeting.
Supporting our governance structure is a professional Management Team that oversees daily operations, member engagement, communications, policy development, educational initiatives, and strategic partnerships to advance green infrastructure across Australasia.
Professor of Urban Management and Planning. Sebastian works in the Urban Transformations Research Centre at Western Sydney University. His multidisciplinary research investigates how climate-responsive planning and design can reduce the impacts of heat on humans and settlements. His work informs policy change and leads to improvements in urban and building design. Sebastian's projects won multiple awards for innovation in technology, sustainability and science communication. He helped writing the Standards Australia Handbook 214:2023 “Urban Green Infrastructure – Planning and Decision Framework” and created the microcredential “Basics of Urban Cooling”. Sebastian sees green infrastructure as a critical component in adapting cities to climate change.
With extensive experience in sustainability strategy and community engagement, Belinda is a champion for creating greener, healthier urban environments. Belinda has her Masters in Sustainable Development and collaborates with stakeholders across sectors to drive impactful projects that benefit both the community and the ecosystem.
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Heather is an urban forestry practitioner with experience in strategy, planning, and community engagement across local government and the not-for-profit sector. Through her consultancy She Plants Cities, she builds capacity for organisations to deliver impactful, community-led greening initiatives that strengthen urban resilience. She also contributes to place-based projects through volunteer roles in Western Australia, including with Millennium Kids, WA Loves Nature, and the Town of Victoria Park’s community-led urban forest movement.
Warwick is an experienced landscape architect and green infrastructure professional with more than 25 years of experience working on some of Australia's largest green infrastructure projects. He is technical, design quality and sustainability lead at ASPECT Studios and has a passion and commitment for the increased benefits that Green Infrastructure must play in our urban environments.
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Audrey is the founder of Arkes 4 Sustainability Consulting and brings over 20 years of experience in the sustainability sector. Her work focuses on transformative thinking and helping organisations embed nature-positive and socially inclusive principles into their strategies, projects, and operations. As a social ecologist, Audrey is passionate about reconnecting people, place, and nature, and building capacity for sustainability and regenerative thinking across industries and communities.
Dr Jen Witheridge is an interdisciplinary urban forest planner with expertise in urban greening and open space policy, planning, development, and management. Working in Local Government, she integrates a background in landscape architecture and research in urban planning and sustainability transitions. Jen is passionate about facilitating collaborative, multi-sector projects, policy and processes that foster greener, healthier cities.
Dedicated project manager with a proven track record of overseeing environmental programs to ensure high stakeholder satisfaction. Holding an Environmental Science degree and a Certificate IV in Environmentally Sustainable Management and Project Management from Australian Studies, I have been recognised by Vetassess for three years of professional experience in Australia, of which six years of experience as an Environmental Manager in Colombia.
Grant Henderson brings over 20 years of expertise in commercial finance, financial control, and governance across diverse sectors including government, manufacturing, services, technology, and retail. Currently serving with the Safety, Policy, Environment and Regulation branch at Transport for NSW, Grant supports strategic financial goals and outcomes. He combines practical, hands-on experience with a passion for sustainable causes in his role with AGIN.
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.
Cassandra is a marketing professional with over 10 years’ experience delivering acquisition, brand, and cause-related campaigns that cut through the clutter and drive real results. She develops clear, compelling narratives that build meaningful connections between brands and their audiences. Her diverse experience spans education, non-profit, financial services, and insurance sectors, having worked with organisations including RMIT University, Foodbank, The Salvation Army, National Australia Bank, and AIA Australia. Recently completing a Diploma in Sustainable Practice, Cassandra is expanding her expertise to integrate responsible marketing approaches. She is known for creative problem-solving, strategic thinking, and consistently delivering work that makes a tangible difference.
Laura Geoghegan is a Local Government Senior Sustainability Officer based in Melbourne, Victoria. With a strong commitment to environmental justice and climate adaptation, she has been with AGIN since the beginning. She brings expertise in climate resilience, stakeholder engagement, and policy development, helping to embed sustainability into core business practices. Laura is known for her collaborative approach, analytical thinking, and passion for creating meaningful change across communities and systems.
Carla is an environment and climate change executive, who has worked for over 25 years in roles across consulting, government, and the private sector. Carla is a respected advisor, focusing on sustainability, climate risk, resilience, and adaptation, with a passion for nature-based solutions. She is currently Head of Environment and Climate Change at a large global insurance company. Carla is also the chair of the Insurance Council of Australia Climate and Resilience Committee and the co-chair of the Net Zero Working Group.
Luli is an architect with an engineering mindset and a passion for integrating nature into urban development. Through her business, Urban Bioma, she focuses on practical greening strategies that balance design, functionality, and compliance, specialising in turning renders into real-world applications. She values collaboration and draws on strong industry and academic connections to drive innovation and results.
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Harrison is an enthusiastic sustainability practitioner and systems thinker with an eye for detail. He holds a Sustainability Excellence Associate credential with the International Society of Sustainability Professionals and has a passion for economic, social and environmental leadership. He has extensive experience in event management. Harrison is excited to work alongside the team and is determined to help create greener, healthier urban environments with AGIN.
Isabella is an Environmental Scientist professional with a Diploma of Conservation and Land Management. She is passionate about bringing a positive change into the environment, and promoting sustainable and environmental culture within construction projects.
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).
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.
Mona Rezasoltany is a sustainability graduate with a Master of Sustainability from the University of Sydney and a background in climatology. She brings experience in ESG research, climate risk assessment, carbon accounting, and life cycle assessment (LCA), with a focus on equitable climate adaptation and sustainable infrastructure. Mona has contributed to projects with the Business Council for Sustainable Development Australia and the Association for the Battery Recycling Industry, supporting policy analysis, climate disclosure, and circular economy strategies. She is passionate about advancing resilient, low-carbon urban solutions, with a strong commitment to equity and justice in green infrastructure planning.
Jolie is a recent graduate of the University of Sydney, completing her Master of Urban and Regional Planning. With a strong interest in healthy built environments, she has research experience in equitable access to infrastructure and the impacts of urban greening on environmental and human health.
Nicholas has a background in business management, with a focus on project and change management as well as process design and implementation roles with multinationals. Nicholas then spent the last 15 years in the construction industry and applied this knowledge in the product and trade side of the green infrastructure industry.
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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.
Darren is a resilience specialist with skills in climate adaptation, bringing over fifteen year's experience in the horticulture and sustainability sectors. He has worked for government agencies and nonprofits in both climate change and environmental education and is passionate about implementing nature-based solutions to address urban challenges. With qualifications in horticulture, geography and urban planning, Darren has designed and delivered courses, facilitated international projects and developed local climate strategies.
Rita combines a strong foundation in biomedical science and technology support with a genuine passion for workplace education and continuous learning. A dedicated bush regenerator and wildlife career, she brings both professional expertise and personal commitment to environmental protection. Her growing concern for the natural world led her to transition into the environmental sector, where she now teaches biodiversity assessment with the NSW Department of Climate Change, Energy, the Environment and Water.
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