Putting people and the planet at the core of business

Staff and board

Staff and consultants


Mark Dearn, Director

Mark was appointed CORE’s Director in May 2020. He joins CORE from the Labour Party, where he was a strategic communications adviser in the Leader’s office, with a particular policy focus on international development, trade and foreign policy. Prior to that he was a senior campaigner at War on Want, where he was also a board member of the UK Trade Justice Movement and a member of the Seattle to Brussels Network coordination group. He has also previously worked for NGOs including End Water Poverty and IBON International. Before this he worked as a journalist for local, national and foreign publications.


Louise Eldridge, Policy and Communications Officer

Louise joined CORE as Policy and Communications Officer in October 2018. Prior to this, Louise worked on business and human rights projects as a Programme Officer for Anti-Slavery International and as a Research Assistant for the International Centre for Taxation and Development while completing a Masters degree at the Institute of Development Studies, University of Sussex. She has also previously worked for Restless Development (in Uganda), the Robin Hood Tax campaign and Christian Aid.


Marilyn Croser, Advisor

Marilyn served as Director of CORE from March 2012 to May 2020. Marilyn led the UK Refugee Council’s parliamentary advocacy and campaigning prior to joining CORE, and worked for Oxfam GB on the Make Poverty History and Control Arms campaigns firstly as a campaigner and then as policy advisor. Previously, Marilyn was a community development worker in Glasgow.



Ruth Chambers, Advocacy Consultant

An experienced campaigner and public policy specialist, Ruth works as a freelance consultant advising charities and public bodies on policy and campaigns. She coordinated the CORE’s advocacy efforts around the Modern Slavery Bill.



Board of Directors


David Bowman (Chair)

David Bowman works as a consultant providing finance director skills to a portfolio of organisations, mainly in the not-for profit sector. David is currently a non-executive director for Shared Interest Society, and a trustee of its charity – both of which provide financial services and business support to make livelihoods and living standards better for people as they trade their way out of poverty. He has also been a non-executive director of Traidcraft, the UK’s leading fair trade company, a trustee of its charity, and the finance director and company secretary of a publicly quoted real estate investment trust.


Dan Leader

Dan Leader is a barrister and partner at Leigh Day with over 17′ years litigation experience. He specialises in international human rights and environmental litigation with a particular focus on group actions by claimants from the developing world. Dan has lived in the Democratic Republic of Congo and Kenya where he worked with local lawyers on human rights and public interest cases, and in 2001 was awarded the Bar Council’s Sydney Elland Goldsmith award for his contribution to pro bono work in Africa.  From 2014 to 2017 he was an independent expert member of the Government Steering Board which oversees the implementation of the OECD Guidelines for Multinational Enterprises.


Danielle McMullan

Danielle is a Senior Researcher on Labour Rights at the Business and Human Rights Resource Centre. Her work focuses on the full range of labour rights including freedom of association, modern slavery and living wage. Danielle is a human rights lawyer and her experience includes representing asylum seekers as a caseworker at Refugee & Migrant Justice. She started her career at the law firm Mayer Brown where she was a solicitor in the litigation department.


Mustafa Qadri

Mustafa Qadri is the Founder and Executive Director of Equidem Research and Consulting, a specialist human rights and labour rights investigations consultancy. He is a human rights research and advocacy expert with over 15 years of interdisciplinary experience in government and public international law, journalism and the non-governmental sector. Mustafa is the author of several landmark human rights reports into the construction industry, civil and political rights issues, and media freedom, including most recently ‘The Ugly Side of the Beautiful Game’ – the first independent human rights investigation to uncover labour abuse on Qatar 2022 World Cup construction sites.


Prof. Olga Martin-Ortega

Olga Martin-Ortega is Professor of International Law at the School of Law, University of Greenwich and has been researching business and human rights for over ten years. She currently leads the Business, Human Rights and Environment (BHRE) Research Group and undertakes research on multinational enterprises and human rights, post-conflict reconstruction and transitional justice. She is currently a member of several international research networks, including Chair of the Board of the Interest Group on Business and Human Rights of the European Society of International Law. Olga is Chair of the Board of Trustees of Electronics Watch and member of the Board of Directors of the London Universities Purchasing Consortium.


Susie Talbot

Susie Talbot is an activist human rights lawyer working with communities around the world towards transformative change at the intersection of corporate accountability, economic policy, gender and other socio-economic issues. She is currently Legal Director of ESCR-Net – the International Network for Economic, Social and Cultural Rights, and previously worked on strategic litigation and other forms of advocacy at INTERIGHTS, the Kurdish Human Rights Project and Minority Rights Group International, among others. Susie has facilitated interactive workshops in Europe, Africa, South America and Asia, integrating human rights, nature-connection practices and a living systems philosophy to advance social and environmental justice visions and collective action.


Swee Leng Harris

Swee Leng Harris is the Senior Policy Advisor on Mainstreaming the Rule of Law in Parliament at the Bingham Centre. She is interested in international law and governance of sustainable development both in terms of environmental governance and human rights. She has previously worked in the Research and Policy Department of the International Development Law Organisation in Rome and practised law at Allens (now Allens Linklaters) in Australia for over four years, specialising in environment and planning law. She has also undertaken extensive pro bono work advising on business and human rights issues and on indigenous peoples’ rights.


Tim Cooke-Hurle

Tim Cooke-Hurle practises a broad range of civil and international law, including cases raising business and human rights issues. He has been a junior counsel in cases such as The Bodo Community v Shell and The Ogale Community v Shell, both cases arising from oil pollution in Nigeria, Various v African Barrick Gold, concerning mining operations in Tanzania and Various v British Airways and Simon Woods in Kenya. He also advises in relation to complaints under the OECD Guidelines for Multinational Enterprises, such as in the case of Crude Accountability v the KPO Consortium in Kazakhstan and Americans for Democracy and Human Rights in Bahrain v the Formula One Group.