Martijin Wilder

Martijn Wilder AM

Baker & McKenzie


Martijn is head of Baker McKenzie’s Global Environmental Markets and Climate Change practice. Martijn's practice focuses on climate change law, international carbon and broader environmental markets, climate and conservation finance and conservation projects. He is also Chair of the Baker McKenzie Law for Development Initiative.

Martijn is regarded as a legal pioneer in the development of climate change law. He advises on legal matters relating to climate change, environmental markets, sustainable development and conservation finance. He is ranked as a Star Individual (the highest ranking available) by Chambers Global, is listed among the best lawyers in Environment and Climate Change by Best Lawyers Australia 2009-2016 and in the International Who's Who of Business Lawyers 2009-2016. He is also listed for Australia, Agriculture & Rural Affairs, Best Lawyers International 2013. In 2013, he was warded the Lawyers Weekly "Law Firm Partner of the Year."

Martijn is an Adjunct Professor of Climate Change Law at the Australian National University. His other roles include formal roles as Chair of the Australian Renewable Energy Agency (ARENA) and a Director of the Clean Energy Finance Corporation (CEFC), WWF (Australia) and the Climate Council. and an Affiliate. He holds advisory roles as Chair of the NSW Climate Change Council, a Governing Board Member of the Renewable Energy and Energy Efficiency Partnership (REEEP) and a member of the Wentworth Group of Concerned Scientists. He is also the Deputy Chair of the Private Sector Roundtable of the Asia Pacific Rainforest Recovery Plan. Martijn recently Chaired the Independent Review Committee of the Victorian Climate Change Act. He was formerly Chairman of Low Carbon Australia and for many years chaired TRAFFIC (Oceania).

Martijn has written widely especially on climate change law, environmental law and Antarctica. In 2012, Martijn was awarded a Member of the Order of Australia in recognition for "service to environmental law, particularly in the area of climate change through contributions to the development of law, global regulation, public policy and the promotion of public debate, and to the community."

Practice Focus

Martijn focuses on four main areas. He advises on:

  • Climate law and finance, including the development of law and policy, its implementation and application and commercial transactions, projects and investments within or driven by such regulatory frameworks.
  • International, federal and state environmental law, including the development of law and policy, and advises on complex and contentious issues around environmental protection most recently in relation to fisheries, biodiversity and world heritage matters.
  • Renewable energy projects and investments and broader environmental infrastructure work.
  • Agribusiness, particularly on clients acquire Australian agribusiness assets, managing such projects and energy crops.

Representative Legal Matters

  • Advising governments and multi-lateral financial institutions on the design and implementation of climate change law and policy and sustainable development laws with an increasing focus on implementation of the Paris Agreement.
  • Undertaking developing country capacity building in relation to developing domestic legal capacity, domestic projects and training the local private sector, with a key focus on the rule of law, implementation of the Paris Agreement and REDD+.
  • Advising corporate clients and investors on climate mitigation and adaptation strategies and investments and general advice on climate change law and policy.
  • Advising on the development and financing of renewable energy and bio-fuels projects.
  • Developing and structuring conservation finance projects and results based payments partnerships and advising on public-private partnerships to in relation to sustainable land management. This has included developing ecosystem and biodiversity corridors and reserves.
  • Advising on the development of environmental markets infrastructure including trading frameworks and exchange platforms, market registries and escrow arrangements.
  • Providing advice on the development and implementation of domestic and international emission reduction projects and the trading in carbon and broader environmental rights.
  • Advising on the establishment of renewable energy and environmental markets funds (especially in relation to carbon, forests, water and biodiversity) and their ongoing investment programs.
  • Working with clients on broader corporate transactions in the environmental markets area including IPOs, private fundraisings, syndications, acquisitions, equity investments and joint ventures and the sale of businesses and assets.
  • Advising on agricultural funds and agribusiness and forestry transactions.


  • Federal Court of Australia~Australia (1997)
  • High Court of Australia~Australia (1997)
  • New South Wales~Australia (1993)


  • Australian Institute of Company Directors (2013)
  • Hague Academy Centre for Studies and Research in International Law and International Relations (1994)
  • University of Cambridge (LL.M.) (1994)
  • Australian National University (LL.B. Honours) (1992)
  • University of Sydney (Bachelor of Economics Honors) (1989)


  • English