Cassandra Wiener

About Cassandra

I am a Senior Lecturer in Law at City, University of London.  I am also co-founder and trustee of the Treebeard Trust.

I specialise  in coercive control and the criminal law. I advise governments and activists around the world on the doctrinal implications of domestic abuse law reform, and through the Treebeard Trust support transformative initiatives to empower women affected by violence .  

City University of London
Treebeard Trust

Law Reform


The government took our amend to the DA Bill 2021 -  post separation abuse will be a criminal offence...see more

Interview with Sarah Gorrell on BBC Radio Sussex, 9 March 2021

BBC Radio Sussex
00:00 / 16:23

Australia is considering coercive control laws see my interview with Seven News

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My article with @Tanya Palmer Telling the Wrong Stories: Rough Sex, Coercive Control and the Criminal Law’ is out - see December issue of Child and Family Law Quarterly. Part of a brilliant special issue edited by @Hannah_Bows and @jojohjhj Jonathan Herring or available open access here:

Research Publications

Criminalising Coercive Control

Cassandra Wiener

‘From Social Construct to Legal Paradigm: the New Offence of Coercive or Controlling Behaviour in England and Wales’


Marilyn McMahon and Paul McGorrery, (eds) Criminalising Non-Physical Family Violence: Coercive Control and Autonomy Crimes (Springer International)

Howard Journal of Crime and Justice

Cassandra Wiener

‘Seeing What is Invisible in Plain Sight: Policing Coercive Control’

The Howard Journal of Crime and Justice

Opinion Pieces

Tanya Palmer and Cassandra Wiener, 17 December 2021

How Claims of 'Consensual Rough Sex' Hide Abuse and Coercive Control from Courts

The Conversation

Comment with Cassandra Wiener, 27 October 2021

Street Crime and Women's Safety

Cassandra Wiener, Jan 2021

IThe Criminal Law and Coercive Control



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Crime Research Centre & Centre for Gender Studies Roundtable to Mark 16 days of Activism Against Gender Based Violence

25 November 2021

Freeman Building University of Sussex and Online

‘Creating a space to think about activism against gender based violence’

Cassandra Wiener – Panel Member