Anastasia Kantzelis


LLM (University of London)
GDLP (Australian National University)
BA/LLB (La Trobe University)


Holding Redlich Law/Politics Prize


Ana is an Australian-qualified lawyer with a specialisation in international environmental and natural resources law. Based in London, she currently works as an expert consultant and advisor to a number of private and non-governmental organisations in the fields of climate change and air quality law and policy.

Ana has participated in the UNFCCC multilateral process both as an observer and as a state party delegate — including in 2015 when the Paris Agreement was negotiated and adopted — and recently served as an advisor to the Mission 2020 campaign, advancing a programme of work focused on strategic climate litigation.

Ana has previously assisted Head of Chambers, Stephen Hockman QC, in a public inquiry and across a wide variety of litigation, including several cases heard in the UK Supreme Court.

Ana is an accredited Civil and Commercial Mediator registered under the Civil Mediation Council scheme. She is also a volunteer Community Mediator.



Civil Mediation Council
International Bar Association
Inter-Pacific Bar Association
IUCN World Commission on Environmental Law
United Kingdom Environmental Law Association

areas of expertise