Our People

Meet our staff and trustees.

Kalayaan’s legal support, community engagement programme and impactful campaigns would not be possible without our incredible staff and dedicated trustees.

Staff

Hannah Billington, CEO

Hannah has been CEO of Kalayaan since March 2025, joining after five years in charge of fundraising for the Liberal Democrats. She has been creating social change for charities and purpose led organisations for more than thirteen years. Before this she was a consultant in marketing strategy and recruitment. Hannah is passionate about raising awareness of the abuse of vulnerable and disempowered communities including migrants, women, victims of modern slavery and trafficking, children, young people and prisoners. She has an MSc in Human Rights from the LSE and is also a Trustee of The Longford Trust.

Arundhati Chaudhuri, Community Engagement Lead

Arundhati is Kalayaan’s Community Engagement Lead. She supports migrant domestic workers through community events, skills programmes, wellbeing initiatives and trauma-informed practice. She designs accessible workshops and activities that build confidence, strengthen wellbeing and increase awareness of rights. Her work creates safe and inclusive spaces where community members feel supported, connected and empowered. Arundhati has a background in counselling, mental health and organisational psychology. She holds an MSc in Human Resources and Organisations, specialising in International Employment Relations, from the LSE.

Alex Millbrook, Immigration Lawyer

Alex graduated with an MA in Modern History from St. Hilda’s College Oxford and then qualified as a barrister. She practised in family, criminal and employment law before joining the Government Legal Service where she worked at the Court of Appeal and later at DEFRA. She spent 16 years in Hong Kong where she worked at and later chaired a charity that provided legal advice for migrant domestic workers, chiefly in employment and immigration law. She has also provided support to prisoners’ families and the homeless in volunteer roles.

Avril Sharp, Immigration Lawyer and Policy Officer

Avril graduated with a law degree from the University of Kent. She originally trained as an immigration lawyer at Wilson Solicitors, specialising in representing victims of trafficking, torture and gender based persecution. Avril worked on challenges to decisions relying on incorrect application of Home Office policies including the reported case of Mutesi v SSHD. Avril moved to the Poppy Project in 2015 where she was part of the legal team helping the charity act as intervenor in the Detained Fast Track litigation. Avril joined Kalayaan in May 2016 as an OISC advisor providing direct advice and support to domestic workers. She is also leading on Kalayaan’s policy and campaign work to better improve the conditions and protections of domestic workers in the UK.

Dipa Haria, Immigration Lawyer

Dipa graduated with a law degree from the University of Hertfordshire and is OISC Level 2 registered to provide Immigration advice. She practiced as a commercial lawyer for a few years in Kenya before moving back to the UK. She has worked for various charities over the past 20 years as an Immigration caseworker and has managed a community centre as well. She has led a project dealing with women suffering from domestic violence. Apart from dealing with Immigration law, Dipa has considerable knowledge on social welfare law.

Sophie Levack, Immigration Lawyer, Policy Officer and M&E Manager

Sophie is a solicitor who joined Kalayaan in 2023 following training in corporate law and experience in international human right law. Sophie provides legal advice and support to domestic workers and leads Kalayaan’s policy work on trafficking and modern slavery issues. Sophie also manages Kalayaan’s monitoring & evaluation work to capture our outcomes for funders and supporters, demonstrating the impact of Kalayaan’s work in helping and empowering migrant domestic workers.

Dominic Clarke, English Classes Coordinator and Teacher

Dominic has been teaching migrant domestic workers on Sundays since 2013 and for Kalayaan since 2015. In addition to teaching he coordinates Sunday English class volunteers. He has been teaching ESOL (English for Speakers of Other Languages – publicly funded classes) to refugees and other immigrants in community settings throughout London since 2008. He has also run successful training events for ESOL teachers. He holds an Advanced Diploma in Education (Applied Linguistics) from the Open University and two other subject specific qualifications. In addition to teaching, he has provided in-depth support to asylum seekers and has campaigned on environmental issues, including appearing at a public inquiry.

Yuying Zhu, Operations Manager

Yuying (they/them) is a PhD researcher in Applied Development Economics at SOAS looking at class transformation in South Africa through the domestic labour relation. They have interviewed domestic workers, labour activists and employers across Johannesburg and Pretoria and use social reproduction and queer theory frameworks for their analysis. They previously completed their BA in PPE at the University of Oxford followed by an MSc in Political Economy of Development from SOAS. Before joining Kalayaan, Yuying spent the last few years volunteering, alongside their studies, with Solidarity Detainee Support, working in solidarity with those in immigration detention across visitation and finance functions.

Trustees

Professor Virginia Mantouvalou, Chair

Virginia Mantouvalou is Professor of Human Rights and Labour Law and Co-Director of the UCL Institute for Human Rights. Her research examines issues including workers’ exploitation, structural injustice, domestic labour, prison labour, migrant workers and modern slavery. Her books include Structural Injustice and Workers’ Rights (OUP 2023), Human Rights at Work (with A Bogg, H Collins and ACL Davies, Hart, 2024), and Structural Injustice and the Law (with Jonathan Wolff; UCL Press 2024). Her research has been supported by the British Academy and the AHRC. She has worked as a Specialist Advisor for the Joint Committee of Human Rights, the Council of Europe and the ILO. She has also received the UCL Provost award for Public Engagement for her research and other work with Kalayaan.

Pauline Uwins, Deputy Chair

Pauline Uwins spent her 35 year career primarily in corporate and investment banking gaining experience and expertise working in Global and European financial institutes. She has a wealth of experience in people and relationship management; back office operations; and risk management. She has managed and overseen the delivery of a number of complex projects. Much of Pauline’s focus in recent years has been on identifying, mitigating and overseeing compliance and legal risk, particularly around financial market abuse and money laundering. She has prepared a number of audit committee board papers and prepared and delivered training on a number of related topics. After a year of travelling Pauline retuned to her Deputy Chair role at Kalayaan in 2026.

Alison Harvey, Trustee

Alison Harvey has returned to practice from the Immigration Law Practitioners’ Association where she was General Secretary, then Legal Director. She trains, lectures and writes widely on immigration, asylum, nationality and human rights law. She is a contributor to Fransman’s British Nationality Law and to Macdonald’s Immigration law and Practice. She has worked in the UK and overseas, representing clients before the Home Office, tribunals and courts, including working at the Refugee Legal Centre, Asylum Aid, and South West Law. She has worked with refugees, the internally displaced and the trafficked for the UN in West Africa, Darfur and Azerbaijan. She has worked extensively on the development of immigration law and policy in the UK, advising those lobbying on, and challenging, a total of nine immigration Acts (to date) as well as on the development of the points-based system and the immigration aspects of Brexit. Recent training credits include ‘The Immigration Act 2016’, ‘Nationality Law is Fun’ and ‘Advanced Naturalisation’ for the Immigration Law Practitioners’ Association and ‘Trafficking: identifying and assisting victims’ for Free Movement. Alison is a Trustee of Kalayaan (formerly Chair) and led in its work with its legal team for its intervention in the Supreme Court in the Reyes case. Alison has been appointed Special Advisor to the Joint Committee on Human Rights for its enquiry Detention of Windrush Generation.

Dr Natalie Sedacca

Dr Natalie Sedacca is Associate Professor in Employment Law at Durham Law School. Her research focuses on human rights and labour law, with a particular interest in marginalised workers and in issues of gender and migration. Natalie’s book ‘Human Rights and the Protection of Domestic Workers in Labour and Migration Law’ (OUP 2026) examines legal protections for domestic workers across four countries. She has also undertaken research on the rights of migrant agricultural and care workers in the UK and platform workers, and the regulation of harassment and violence at work. Natalie is an Editorial Board member of the journal Feminist Legal Studies, and a co-editor of the UK Labour Law Blog. Before entering academia, Natalie spent nine years in legal practice, including seven as a qualified solicitor, specialising in claims against the police and public authorities.

Michael Muirhead, Treasurer

Michael Muirhead has over 30 years experience within the UK financial services sector. He trained as a Chartered Accountant and more recently has been involved in risk management and corporate governance, including at three of the largest UK banks. His career has included managing operational and technology risk and he has prepared papers for Board and Audit Committees.

Hugh Collins

Hugh Collins is the Cassel Professor of Commercial Law at the London School of Economics. Formerly he was the Vinerian Professor of English Law at All Souls College, University of Oxford. He is a Fellow of the British Academy and an Honorary Bencher of Middle Temple. He studied law at the University of Oxford and Harvard Law School. One of his main areas of research and teaching is employment law. He has published several books in the field, including Employment Law 2nd edn (Oxford University Press), Labour Law 2nd edn (with KD Ewing and A. McColgan) (Cambridge University Press) and Justice in Dismissal (Oxford University Press). His most recent research has focussed on the law of indirect discrimination and also the impact of human rights law on the content and enforcement of employment law rights of workers.

Libby Wiener

Libby Wiener is a British Broadcast journalist, recently retired from ITV News. Libby became Home Affairs Correspondent in 1988. In 1991, she went to Brussels as Europe Correspondent reporting on a range of key news stories, including the Maastricht Treaty. She was Australia Correspondent based in Sydney in the late 1990s, before returning to the UK as Royal Correspondent for ITV News in 2000. She became a Political Correspondent in 2003 and was in the Parliamentary Lobby for more than twenty years. She has covered numerous general elections and reported on the Brexit negotiations, as well as many other controversial policy issues.

Emelie Rodriguez

Emelie was born and raised in the Philippines and now lives in the UK as a refugee. She is passionate about community, personal growth, and supporting other women who have walked similar paths. She believes in resilience and creating welcoming spaces where everyone feels comfortable sharing their stories. Emelie has shared her testimony in the media and with parliamentarians as an advocate for the rights of migrant domestic workers in the UK and is also a member of Kalayaan’s lived-experience campaign group. In her free time, Emelie loves singing, dancing, cooking, meeting new people, and learning about different cultures. She enjoys connecting with inspiring women, gain new experiences, and be part of empowering women across the UK.

Emelie was born and raised in the Philippines and now lives in the UK as a refugee. She is passionate about community, personal growth, and supporting other women who have walked similar paths. She believes in resilience and creating welcoming spaces where everyone feels comfortable sharing their stories. Emelie has shared her testimony in the media and with parliamentarians as an advocate for the rights of migrant domestic workers in the UK and is also a member of Kalayaan’s lived-experience campaign group. In her free time, Emelie loves singing, dancing, cooking, meeting new people, and learning about different cultures. She enjoys connecting with inspiring women, gain new experiences, and be part of empowering women across the UK.