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Colleen Theron | Director of CLT envirolaw
Colleen Theron | Director of CLT envirolaw
Colleen is a solicitor with over 20 years’ experience in both environmental law and sustainability issues, also holding an LLM with distinction from the University of Aberdeen. Her career as a lawyer began in South Africa, then in Scotland, and later in London where she practised as an environmental lawyer. Here, she was recognized by The Legal 500 and Chambers and Partners as a leading environmental law practitioner, going on to become a partner and later working in the publishing industry as a specialist in environmental law issues.
In 2010, Colleen founded CLT envirolaw with the mandate to harness her niche legal expertise in order to help companies understand how to meet their legal obligations for sustainability and business and human rights and create progressive voluntary best practice standards.

As well as environmental safeguarding, social impact and community transformation, Colleen is passionate about combating human trafficking – she is the founding director of not-for-profit Finance Against Trafficking, part of the newly formed steering group of the British Association for Sustainable Sport (BASIS), and previously was an executive member and trustee of the UK Environmental Law Association (UKELA). She is also an Acre accredited expert, and a regular public speaker on the UN Guiding Principles on Business and Human Rights, sustainable business, and the growing nexus between sustainability and the law.

Colleen teaches environmental law at Birkbeck University in London, and more recently designed and delivered a Masters course on business and human rights and international laws as they apply to multinational corporations. She is a regular contributor to the legal and professional press, and has authored numerous chapters in published books. Her latest book, published by DoShorts in 2014, is Strategic Sustainable Procurement: Law and Best Practice for the Public and Private Sectors.


Our Valuable Team Members

Laura Haworth
Laura HaworthEthical Supply Chain Specialist

Laura is a passionate advocate of labour standards and in her spare time has volunteered to raise awareness around workers rights, managing events across Europe. She has a keen interest in reading around the political economy. Laura is also studying towards a Masters in Human Rights at the University of Sussex. She previously worked at Sedex working closely with a range of stakeholders including UN bodies, Audit Companies, NGOs, government agencies and trade unions, leading Sedex’s work to support the sharing of insights related to supply chain issues and the promotion of best practice.

Jantine Werdmüller von Elgg
Jantine Werdmüller von ElggResearcher and Engagement Specialist

Jantine is a freelance consultant with expertise in project management, research and communications. She holds a BA in International Relations from the University of Groningen, the Netherlands and a MA in Geopolitics and Grand Strategy from the University of Sussex, UK. Jantine has over six years’ experience regarding anti-human trafficking and modern slavery. She has worked in the NGO sector, where she was involved in strategy and policy development and designed and implemented projects in a range of countries including the UK, Brazil, Slovakia and the USA. Besides managing CLT Envirolaw’s social media, she currently works for Stronger Together, a multi-stakeholder initiative tackling modern slavery in supply chains.

Emily Foale
Emily FoaleLegal Intern
Emily is currently studying a degree in History and English at the University of York, having just completed her first year. She have previously worked as a blogger for a startup company called Skadoosh centred on fashion and retail and currently work part time at a nursery. After finishing her degree she intends to complete the GDL and hopes to work in the fields of human rights and environmental law, as this is the area she is most passionate about.


Vic Manzano
Vic ManzanoJunior Associate

Having completed a Law Degree at the University of Sussex, Vic wanted to utilise my knowledge and learn more about human rights in the business context, so initially joined the team as an intern. Being involved in front line work with traumatised children and trying to tackle the effects of severe deprivation has given her substantial insight into the cause and effects of human rights abuse, and a heart to try and change this..

Vic have a particular interest in working towards eradicating child slavery especially in business and supply chains.

She loves to be challenged and as part of her down time enjoys physical activities such as Crossfit and will begin learning Mixed Martial Arts very soon.