Our Team

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Oli Brown


Oli Brown has been working at the nexus of security, natural resources and climate change for the past 17 years, with a particular interest in peacebuilding, conflict mediation, natural resource management, environmental politics and trade policy. He is an Associate Fellow with the Geneva Centre for Security Policy, and also Chatham House (the Royal Institute of International Affairs). He is a member of the Climate and Security Expert Network run by the German think-tank adelphi, is a strategic advisor to IMPACC – a social enterprise incubator seeking to create green jobs for people in the Global South – and serves as a trustee for the Conflict and Environment Observatory, a British NGO which draws attention to environmental damage during conflict. Oli has extensive experience working for the United Nations. Between 2014 and 2018 he was based in Kenya where he coordinated the work of the UN Environment Programme (UNEP) to minimize the risks and impacts of disasters, industrial accidents and armed conflicts. From 2010 to 2012 Oli managed a UNDP country programme in Sierra Leone. Prior to this, Oli was a senior researcher with the International Institute for Sustainable Development.


Anneka Williams

Junior Research Associate

Anneka Williams is a Master’s student at the University of Copenhagen studying climate change science. She holds a Bachelor’s in Biology and Earth & Oceanographic Science from Bowdoin College (USA). She is also a writer and works on climate risk and policy for the Woodwell Climate Research Center. Anneka’s interests include climate change, polar and high alpine ecosystems, natural resource management and conservation, and Indigenous rights. Anneka has worked and studied all over the world, including Chilean Patagonia, the Bhutanese Himalaya, Alaska’s Arctic tundra, Denmark, and the French Alps.

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Simon Ehmsen

Junior Researcher

Simon is currently studying to earn his Master's in International Security and Law at the University of Southern Denmark, after earning his Bachelor's there in American Studies. His interests lie in climate change, human security and the role that NGOs can play in this context. .


Paige McCalahan


Paige is an award-winning writer and editor with more than a decade of experience writing about economics, the environment and international development. She is a regular contributor to The New York Times and her writing has also appeared in The Guardian, BBC News, and The Washington Post, among many other outlets. As an editor, she worked from The Guardian’s headquarters in London and managed the publication of a technical newsletter with more than 10,000 subscribers. Born in Chapel Hill Carolina, Paige has lived in Switzerland, Sierra Leone, the United Kingdom, Kenya and France, her current home.

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Matthieu Guillier

Junior Research Associate

Matthieu is a young professional with a bachelor's degree in Politics and International Studies from the University of Warwick and a Master’s in International Affairs from the Graduate Institute of International and Development Studies in Geneva. He has expertise in qualitative research related to conflict, climate security, and peacebuilding. He is passionate about reinventing peacebuilding practices and systems to integrate more inclusion and innovation.


Giuliana Nicolucci-Altman

Junior Research Associate

Giuliana Nicolucci-Altman is a Master’s student studying Human Rights and Humanitarian Action at Sciences Po Paris and holds a Bachelor’s in International Relations and Sociology from the Johns Hopkins University. She’s especially interested in the intersection between migrant rights and environmental sustainability, and has worked in refugee humanitarianism for various organizations such as Relief International and eachOne. Giuliana is also fluent in English, French, Spanish, Portuguese and is learning Arabic.

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Robin Fontaine

Junior Consultant

Robin Fontaine graduated from Leiden University with a Masters degree in Crisis and Security Management and from Royal Holloway University with a joint honours bachelor in History and International Relations. He is interested in climate change and human security, especially in a humanitarian context. He has worked in the field on food security projects in the south of Egypt. He is fluent in French and English and is learning Spanish and German


Charlotte Penel

Research Associate

Charlotte Penel is completing her PhD at the University of Liverpool, which is on the transformation of security institutions in Latin America and the Caribbean region. She currently holds a Bachelor of Arts at the University of Sydney and a Master in International Law and International Relations at the University of New South Wales, Australia. Over the past three years, Charlotte has been working on a project titled 'Commercial Military Actors in Armed Conflicts Dataset', which provides data on these actors from 1980 to 2016. She is a passionate and motivated researcher with extensive experience and knowledge on international relations, peace and conflict, Latin American security, international law, and adaptation to climate change through various research projects in Australia, Ecuador, the UK and in Switzerland..


Anastasiia Savotina

Junior Research Associate

Anastasiia has a bachelor's degree in International Relations from Astrakhan State University with an additional qualification in Professional translation. She worked in the field of written translation and interpretation in Russia and Poland and speaks Russian, English, Polish and is learning French. Anastasiia is interested in migration crises, international security and social protection.

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Katharina Hartmann

Junior Consultant

Katharina is currently enrolled in the Erasmus Master Programme in Environmental Science, Policy and Management at Central European University in Vienna. She has previous experience in the private sector working for IBM and an electromobility start up in sales and business development. She is most interested in energy transitions and economic transformations on which she has set her focus in her Master studies. Katharina has studied and worked in Ireland, France, Austria, and the US and speaks German, English and French.