Castledine Gregory Law and Mediation

The Team


Graham Castledine

Principal areas of practice

  • Native title and Aboriginal heritage
  • Planning, local government and environmental law
  • Administrative law and regulatory issues
  • Negotiation and mediation

Overview of professional experience
Graham Castledine was admitted as a practitioner of the Supreme Court of Western Australia in 1987. Since then, he has advised and represented clients in a variety of areas including commercial disputes, administrative law, local government and town planning, environmental dispute, native title and Aboriginal heritage issues. His experience includes appearing for clients in the High Court, Federal Court, Supreme Court of WA, the Native Title Tribunal, Administrative Appeals Tribunal and State Administrative Tribunal.

Graham has represented parties in a variety of mediations, and has conducted numerous successful mediations since becoming a LEADR-accredited mediator in 2005. He is chairperson of the committee of the WA State Chapter of LEADR and a member of the ADR committee of the Law Society, and has experience as a co presenter of the UWA Law School short intensive course on negotiation and mediation. Graham is also accredited under the newly established National Mediator Accreditation System.

Mark Gregory

Principal areas of practice

  • Native title and Aboriginal heritage
  • Public law, government and local government law
  • Resources law including mining tenements
  • Planning law, land compensation, building, environment and project development law

Overview of professional experience
Mark has more than 20 years’ experience in various aspects of public law, native title and resources law. During the 1990s, Mark spent four years working with the Aboriginal Legal Service of WA working on Western Australia’s first litigated native title claim and advising his clients on Aboriginal heritage and negotiating mining agreements.

In 1998 Mark joined a national law firm, later becoming a partner and heading the Perth native title and local government practices. His practice is focused on the land access needs of his clients, including advising clients on complex government approvals processes; assisting clients to obtain necessary land tenure and mining tenements; and dealing with compulsory acquisition matters. Mark’s skills are in helping his clients optimise the value of their property assets through the complex web of planning, native title, Mining Act and other legal regimes which govern access to land and the use and development of property.

Where his preferred approach of negotiation and mediation proves unsuccessful, Mark also litigates in the State Administrative Tribunal, National Native Title Tribunal, Federal Court, Supreme Court and other courts and tribunals.

Mark holds a combined degree in Arts and Law from the University of Tasmania (1991)

Maria Lamattina
Special Counsel

Principal areas of practice

• Commercial law and negotiations
• Administrative law and human rights
• Corporate law and governance for private, public, not-for-profit entities and Aboriginal corporations
• Native title and Aboriginal heritage
• Regulatory law, including the regulation of electricity networks and gas pipelines
• Energy, resources, infrastructure and construction law
• Dispute resolution.

Overview of professional experience

Maria Lamattina is a barrister and solicitor with twelve years of experience in providing advice and representation to clients in the areas of corporate, commercial, administrative, energy, resources and construction law, including local and State governments, regional councils and government-owned corporations. Maria has worked in private practice and as in-house counsel and company secretary for an ASX-listed oil gas explorer with international operations. Maria has a proven background as an advocate in a range of dispute resolution settings including negotiation, mediation, conciliation, arbitration and litigation in various Tribunals and State and Federal Courts. Maria has worked locally and internationally and is skilled in working with clients from culturally and linguistically diverse backgrounds.

Since joining Castledine Gregory in 2010, Maria has continued to advise on and negotiate commercial agreements in a range of areas relevant to her energy, resources and construction expertise. Maria has applied her corporate and commercial knowledge to the native title and Aboriginal heritage areas acting for Aboriginal and Torres Strait Islander groups, resource and energy companies, prescribed bodies corporate and the State government. Maria advises entities such as gas pipeline owners and electricity transmission network service providers on regulatory law and third party access issues. Maria also advises various entities including corporations, Aboriginal corporations and incorporated associations on governance matters and has served on the Boards of not-for-profit associations.

Maria is admitted to practise in the Supreme Court of Western Australia and the High Court of Australia. Maria has a Bachelor of Laws and a Bachelor of Arts from Murdoch University, a Masters in Public and International Law from the University of Melbourne, and is a graduate of the Australian Institute of Company Directors ‘Company Directors Course’. Maria is also a member of the Law Society of Western Australia, Women Lawyers of Western Australia, Australian Institute of Administrative Law, Australian Institute of Company Directors, the Association of International Petroleum Negotiators, and the Society of Construction Law.

Marisa Taliangis
Senior Lawyer

Principal areas of practice

  • Planning and land development law
  • Land compensation
  • Building and environment

Overview of professional experience
Marisa has more than 15 years’ experience in various aspects of planning and land development law. In 1998 Marisa joined a national law firm, dealing with planning and land development law matters for both private and public sector clients.

Since that time, Marisa has also worked in the private sector for a building and land development company liaising directly with public authorities and engineering and planning experts in order to obtain necessary approvals and clearances.

During her time at the then Ministry for Planning, Marisa was involved in preparing draft model text provisions for structure plans and development contributions, as well as the first stages of the Peel Region Scheme and the Greater Bunbury Region Scheme.

Marisa holds a Bachelor of Arts and a Bachelor of Laws (First Class Honours) from the University of Western Australia (1997). She is currently the Unit Co-ordinator and a Lecturer for the Land Development course at the University of Western Australia Law School. Marisa was also an author for the publication Planning Law in Australia.

Andre Maynard
Senior Lawyer

Principal areas of practice

  • Environmental law – waste, pollution, contaminated land
  • Planning and local government law
  • Resources, energy and project development
  • Native Title & Aboriginal heritage
  • Dispute resolution

Overview of professional experience

Andre is a specialist environment, planning and regulatory lawyer. Admitted in WA in 2009, Andre’s experience includes providing advice on commercial developments and infrastructure, mining, power and oil and gas projects.

Andre is experienced in all aspects of environmental law, in particular waste management, contaminated land, pollution, due diligence, regulatory approvals and compliance. Andre has previously worked for the WA State Government, both as an Environmental Officer as a Senior Policy Advisor to a former Minister for the Environment.

Andre’s environmental law experience relevantly includes negotiating commercial transactions involving contaminated land, representing clients in prosecutions commenced by the Department of Environment Regulation and advising on the permits required to carry out polluting activities and clear vegetation.

Andre has experience in planning and local government law, having advised consent authorities and developers in relation to commercial, industrial and residential developments.

Andre’s experience also extends to native title and energy law and includes advising mining and oil and gas companies, retailers and generators of electricity and Aboriginal corporations.

Andre has represented both the public and private sector in cases in the Supreme Court of WA, Magistrates Court and the State Administrative Tribunal involving matters including air pollution, waste management, land contamination and environmental health.

Andre is on the Environment and Water Committee of the Association of Mining and Exploration Companies (AMEC) and is a member of the Waste Management Association of Australia and the National Environmental Law Association. Andre holds a Bachelor of Science (2001) and a Bachelor of Laws (2007).

Wanjie Song

Principal areas of practice

  • Native title and Aboriginal heritage
  • Local government and planning law
  • Resources and energy law
  • Dispute resolution and mediation

Overview of professional experience

Wanjie Song has been admitted as a legal practitioner of the Supreme Court of Western Australia since February 2013. Since joining the firm as an articled clerk in late 2011, Wanjie has worked in a variety of areas including native title, mining law, planning and local government.

Wanjie is experienced in various aspects of native title law, including negotiating Indigenous Land Use Agreements and mining agreements for both Aboriginal groups and proponents, representing clients in future act matters in the National Native Title Tribunal, and assisting in advising clients on their rights and obligations under the Native Title Act and the Aboriginal Heritage Act. Wanjie is also experienced in planning and local government matters, including compulsory acquisition, prosecutions, representing clients in planning appeals in the State Administrative Tribunal, and advising clients on what development approvals are required for their proposed projects.

Wanjie holds a combined degree in Law and Arts (Fine Arts) from the University of Western Australia (2011).  She also volunteers and serves on Boards of several not-for-profit organisations.

Wanjie has recently become a LEADR-accredited mediator, and is looking forward to combining mediation with the other aspects of her practice.

Emily Wilson

Principal areas of practice

  • Native title and Aboriginal heritage
  • Planning, environment and administrative law
  • Local government
  • Resources, energy and construction
  • Dispute resolution

Overview of professional experience

Emily graduated from the University of Western Australia with a Bachelor of Laws (Distinction) and a Bachelor of Arts (Honours) and was admitted as a lawyer in Western Australia in February 2014.

Since joining Castledine Gregory, Emily has represented and advised native title parties, energy and resource companies, local governments, regulated entities such as gas pipeline owners and electricity network service providers, and private landowners in the areas of native title and Aboriginal heritage, energy, resources and construction, planning and environment, dispute resolution, and regulatory and administrative law.

Emily commenced employment with Castledine Gregory as a law clerk in 2012. During her studies, Emily worked in community legal centres, in State government and in several other private law firms and gained experience in the areas of mental health and human rights law, dispute resolution and prosecutions.

Emily is a former student editor of the UWA Law Review and has published articles in the Australian Resources and Energy Law Journal and the Australasian Journal of Natural Resources Law and Policy.

Kate Castledine
Office Manager and Facilitator

Overview of professional experience
Kate initially trained for and worked as a registered nurse at Princess Margaret Hospital for Children. She then worked for 5 years as a presenter in schools for the AWCH WA Hospital Familiarisation Program and then spent 5 years as the office co-ordinator for the program. She has since continued as a committee member of AWCHWA and National Board member for AWCH. Kate also worked briefly as the office manager for CASE for Refugees (Community Legal Centre).

Since 2006 Kate has been the Office Manager at Castledine Legal & Mediation Services, and at Castledine Gregory. She has completed the LEADR mediation training course and has worked since early 2010 as a facilitator in the Catholic Church’s Towards Healing program. Apart from her Diploma in Nursing she has a Bachelor of Arts and has completed a TAFE course in community services as part of her training as a current emergency relief volunteer with Anglicare.

Marilena Crevola
Accounts Administrator

Overview of professional experience
Marilena Crevola has over ten years’ experience in various finance/administrative roles both within Australia and overseas. She has worked in different industries including small business, manufacturing, finance and government agencies. During this time, she has acquired knowledge of various accounting software packages including MYOB and In-house general ledger systems. In the various roles she has undertaken, she has developed excellent communication skills to liaise effectively with external clients and internal management.

Marilena is responsible for all aspects of client and trust account administration and financial reporting at Castledine Gregory. She enjoys working in a team environment and contributing to the growth of the firm.

Kirrilee Britton
Administrative Assistant

Kirrilee is a senior legal administrative assistant, with over 6 years’ experience in legal firms including Middletons (now K & L Gates) and Piper Alderman. Kirrilee has provided comprehensive secretarial and administrative support to large legal teams in litigious and commercial practices.

In addition to legal administrative support, Kirrilee has managed document management and billing software implementation and training projects, and external service providers, in her role at Castledine Gregory. Kirrilee has excellent communication and client service skills and enjoys working as part of Castledine Gregory’s dynamic team.