The National EnviroDevelopment Board is made up of widely recognised and highly respected industry leaders – whom have dedicated their careers to furthering sustainable development in Australia and abroad.
The Board governs all EnviroDevelopment activities, including the certification and recertification of projects.

Sarah Macoun
CHAIR
Sarah is a Partner of HopgoodGanim’s Planning and Environment practice, bringing more than 15 years of experience to the team in the areas of planning approvals, litigation and dispute resolution, and environmental legislation and policy.
Read moreSarah is Board Secretary for the Urban Development Institute of Australia Queensland (UDIA (Qld)) and is Chair of both the UDIA EnviroDevelopment Board (national) and UDIA (Qld) Planning and Environment Committee. Through her work with UDIA (Qld) and other associations, Sarah is a passionate advocate for balanced planning and environment policy.

Graham Marshall
Graham Marshall currently works finding solutions for sustainable and affordable housing projects nationally.
Read moreGraham has had a lifelong interest in sustainability, having a key role as Trustee with Queensland Trust for Nature (2004 to 2018) in conservation projects for endangered species such as turtles, cassowary, wallaby, and koalas, and currently Trustee of the Balance of Earth Trust and the Stock Foundation and previously having received the Prime Minister’s Award for work with endangered migratory wader birds.
Graham has degrees in Architecture and Economics, having received a scholarship to the LSE and has contributed to several industry taskforces.

Leanne Weekes
Leanne Weekes is a Senior Associate in Minter Ellison’s major projects team.
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Nelson Wills
Nelson Wills is a Director of New Ground and is actively involved with projects as a Project Director.
Read moreAreas of technical involvement have included environmental approvals strategy formulation and implementation, environmental policy development, ecological assessment and management, environmental offsetting, waste management planning, environmental compliance audits and construction environmental management planning. Nelson has a variety of experience in community consultation and liaising with government authorities, developers, councillors and various industry representatives. He is active in a number of technical industry policy committees and is regularly involved in consultation between industry and regulators with respect to environmental policy development and refinement.

Peter Egerton
Peter has been part of the urban design and planning profession for 31 years, and currently leads urban design service line for RPS.
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Tammy Berghofer
Tammy is a real estate lawyer with extensive experience acting for vendors, purchasers, landlords and tenants as the lead legal advisor in significant transactions involving high value real property assets, including commercial office buildings, retirement villages, marine and port precincts, retail shopping centers, resorts and hotels.
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James Coutts
James has more than thirty five years’ experience as a planner and is currently an Executive Director in the Department of State Development, Manufacturing, Infrastructure and Planning.
Read moreJames has also worked in the private sector as the Director of Planning for EDAW and in the Commonwealth and local governments.

Aaron Organ
Aaron has 22 years’ experience in the environmental field, including 19 years in an environmental consultant capacity.
Read moreHe has extensive knowledge of flora and fauna species and ecological communities, and has played an important role in providing advice on several projects in residential development, infrastructure, mining and exploration, large scale Environment Effects Statements, Environmental Impact Assessment, and strategic planning and design.

Paul Cassidy
Paul is an experienced strategic planning executive with a background in landscape architecture, urban design, environmental and open space planning as well as project management.
Read morePaul is a strong strategic thinker with a broad range of skills and experience in land use planning, design of the built environment, negotiation, presentation and management with a goal of making a positive difference through both innovative and practical solutions.

Lex Barnett
Lex is a town planner with 38 years experience in both the public and private sectors, and the last 22 years as a Partner/Managing Director with Taylor Burrell Barnett.
Read moreHe is currently President of the WA Divisional Committee of the PIA.
Lex’s primary field of professional expertise is in the area of Urban and Regional Planning; he and has many years of experience in the urban planning and property development field and has a high profile in both government and private sectors.
Lex was a member of the inaugural EnviroDevelopment Board of Management WA and has remained on the Board for the 10 years hence. His company, Taylor Burrell Barnett was also an inaugural sponsor (Supporter) of the program. He has also been a continuous active participant, either as a Councillor or a Committee member of UDIA for the past 22 years.

Peta-Maree Ashford
Peta-Maree is an experienced Landscape Architect with unwavering passion and advocacy for her profession.
Read moreAs an Owner, Director and Principal Landscape Architect at Emerge Associates she leads design teams and projects with innovation through the lens of construction understanding for the successful implementation of urban, regional and greenfield projects in WA.
Peta-Maree is an engaged member of UDIA, acknowledged as an inaugural finalist for the UDIA WA Women in Leadership Award and recently appointed to the UDIA WA climate change standing advisory group. She actively works with member platforms including the Australian Institute of Landscape Architects (AILA), PIA, PCA and PLA and is a serving AILA National Director (Vice President). She thrives in these roles and the cumulative knowledge from her national industry exposure, enabling progressive open thinking to generational challenges in a nationwide context.
Peta-Maree embraces this opportunity to endorse and prioritise environmentally conscious urban development to benefit communities now and in the future.