Ms Shanti Ditter

Presiding Member

Qualified with dual Masters Degrees in Environmental Law and Urban and Regional Planning, Shanti is a Fellow of the Planning Institute of Australia. She has over 30 years experience in urban and regional planning in the private, local and state government sectors, across numerous industry environments.

Shanti has held senior leadership roles in several South Australian councils, the private sector and has managed and owned a consultancy business. She has a broad depth of experience in the development sector and has delivered award-winning development and policy projects.

Shanti is a Fellow of the Governor’s Leadership Foundation and is a Graduate Member of the Australian Institute of Company Directors.

Mr Wally Iasiello

Deputy Presiding Member

Wally served the City of Port Adelaide Enfield for over 25 years as its Director Technical Services (and 2 years as Acting Chief Executive Officer). He has extensive experience in stormwater planning and engineering.

Previously Wally has served as a member of the South Australian Flood Warning Consultative Committee, a Board member of the South Australian Coast Protection Board, and member of the previous Catchment Management Subsidy Scheme Committee, which was the predecessor to the SMA.

For many years Wally was also a member of the Engineering Functional Services Committee that provides support response and recovery activities during (and after) an emergency as part of the State Emergency Management Plan.

Mr Trevor Daniell


Trevor is a Fellow of the Institution of Engineers Australia and an Associate Professor in the School of Civil, Environmental and Mining Engineering at the University of Adelaide. He has held senior technical and management positions in Federal, State and Territory government water resource organisations.

Trevor maintains a keen interest in hydrology as the Chair or member of a number of international associations and technical committees, such as the UNESCO International Hydrological Program, and brings to the SMA extensive experience in hydrology, catchment and floodplain management. He has performed research in both water quality and quantity of urban stormwater and has been a Visiting Professor at Institutes in both France and Germany.

Trevor has received many awards in Australia and internationally for his work.

Mr Michael Lange OAM


Michael has been involved in Local Government for over 45 years in various roles, gaining a diverse experience in civil works and engineering management, including scoping and coordination of Stormwater Management Plans and flood prevention management, response and recovery in South Australia and the 2011 Queensland Flood event.

In 2014, he become an elected member of The Barossa Council for 4 years and was elected Mayor of The Barossa Council in 2018, a position he still holds.

Michael has served as Director of Works and Engineering and Elected Member in Local Government, and has contributed on numerous Local Government Associations, committees and working groups.

Ms Alison Collins


Alison has over 20 years of experience in a wide range of State Government, local government and private-sector roles with a particular emphasis on creating liveable, water sensitive and sustainable neighbourhoods. She brings significant experience in the new land-use planning system to the SMA Board.

She led the 2017 Update to the 30-Year Plan for Greater Adelaide and also has experience in the Planning and Design Code and other instruments. Currently she is Green Adelaide’s Planning Team Leader and is managing a range of urban greening and WSUD related projects.

Alison is a Water Sensitive SA steering group member and served previously on the Coast Protection Board. She holds a Master of Urban and Regional Planning and a Bachelor in Environmental Management.

Ms Cate Hart


Cate has significant experience in both the public and private sectors in a wide range of disciplines including environmental management, community and stakeholder engagement, strategic and development planning, heritage, governance and organisational leadership.

Cate is currently Executive Director with Department of Environment and Water leading the Environment, Heritage and Sustainability Division. She has significant experience in local government, having worked in the local government sector for over 30 years, and held a number of executive roles including as CEO of Wakefield Regional Council and the City of Prospect prior to joining State government.

Cate is a Fellow of the Planning Institute of Australia, and is currently Vice President of the Institute, representing South Australia on the national board. She also supports LG Professionals in a voluntary capacity mentoring staff within local government and assisting in a range of training and development programs.

Mr Simon Sherriff


Simon is the Manager, Strategic Projects for the Light Regional Council where he is responsible for the delivery of a suite of economic development initiatives for the region, including his role as Chair of the Roseworthy Township Expansion Infrastructure Taskforce.

Simon brings a broad array of technical, leadership, management, governance and business development experience to the SMA Board, drawn from more than 20-year’s working locally, nationally and in the UK across the public and private sectors in economic development, renewables, climate change, water, environment and natural resources management.

Mr Paul Bennett


Paul is an experienced civil/structural engineer with over 20 years in private and public sector roles, and currently Director, Growth Management within the Department for Trade and Investment. With a career that commenced in building design and construction, and a passion for property development and urban planning, he has extensive experience in the integration of land use and transport having held positions at both a strategic and operational level.

With a Master of Science in Public Policy and Management from Carnegie Mellon University, Paul brings to the SMA Board a unique skillset that combines high level policy development and planning capability with technical engineering and infrastructure expertise.

Ms Heather Barclay


Heather is a Member of Local Government Professional South Australia, the Institute of Public Works Engineering Australasia, and Australian Institute of Traffic Planning and Management. Heather holds an Associate Diploma in Surveying, and an Advanced Diploma in Project Management, and has considerable background and over 30 years experience in Local Government, in Municipal Engineering and Infrastructure and Asset Management.

As General Manager Assets and Infrastructure at the Rural City of Murray Bridge, Heather is responsible for the management, renewal and maintenance of the natural and built public environment – she is also responsible for delivery of enhancement programs towards the preservation and creation of environments for people, lifestyle and connectedness – delivering on council’s aspiration for “thriving communities”.

Prior to taking up the role of General Manager at the Rural City of Murray Bridge, Heather held Senior and General Management positions in a number of Local Governments, including in the Adelaide City Council, in both inner and outer metropolitan Councils in SA, and in rural and regional Councils in South Australia and Victoria.