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Our Team

Our Team

NeF DeF Steering Committee

Dr Celine Tan

Reader in Law, School of Law, University of Warwick, UK

NeF DeF Project Lead & Coordinator


My research is on the intersections between international economic law and international development policy and practice. I am interested in the relationship between international development finance, the regulation of transnational financial flows and their impact on states and markets.


Mary Wanjohi

Project Assistant


Mary is the Project Assistant for the NeF DeF project. Currently pursuing an LLM International Economic Law at the University of Warwick, she is interested in international development and has six years of professional experience as a Senior Advisor at KPMG Kenya Audit-Public Sector and Development (PSD) department. Additionally, Mary works as a research assistant for the Philanthropic and Social Finance thematic area under the supervision of Dr Amaka Vanni. She is currently researching on ‘Governance of the Global North’s donor-funding for Kenya’s social-economic progression: Role of the Kenyan State’ for her LLM dissertation.

Chris Tassis

Project Administrator


Chris is the Project Administrator of the NeF DeF project and a Ph.D. Candidate at the University of Warwick. His thesis focuses on the reconciliation of international investment Law and sustainable development, and under the auspices of the NeF DeF project he works with Dr Celine Tan in analysing the governance implications of the shifting landscape of international development finance. Chris has acted as a Legal Consultant in a variety of technical assistance and capacity building programmes fostering access to finance reforms.

Dr Daria Davitti

Research Fellow, Faculty of Law, Lund University, Sweden and Assistant Professor University of Nottingham, School of Law, UK


My research examines financial mechanisms to support refugee responses, especially refugee finance and humanitarian finance.

Dr Gamze Erdem Türkelli

Post-Doctoral Fellow, Research Foundation Flanders, Law and Development Research Group, University of Antwerp, Belgium


My research currently focuses on the accountability implications of mobilizing private actors in financing development through multi-stakeholder partnerships (MSPs) as well as human and children’s rights issues linked to global economic governance.


Dr Benjamin Hunter

Lecturer in International Development, School of Global Studies, University of Sussex, UK


My research lies at the intersection of global health and international development, including how development financing is used to create and encourage markets in the healthcare sector.

Dr Jeremmy Okonjo

Post-Doctoral Researcher, Queen Mary, University of London (AI and Blockchain in International Trade and Financial Regulation) and Lecturer of Law, School of Law, University of Kent, UK


My research focuses on the role of financial law and regulation in the constitution of sustainable finance, and also the role of technology in the depoliticization of the development process.

Dr Amaka Vanni

Independent Scholar (specialist on intellectual property, global health, philantrocapitalism)


My research focuses on the influence of private philanthropic donor actors working in public health on aspects international economic law and governance, particularly intellectual property (IP) for pharmaceuticals e.g. patents, medicines access discourse and related investment in development of new drugs.

Project Partners

Dr Siobhán Airey

Centre for Business and Society, University College Dublin, Ireland


I research and teach in the area of international law, law and development, and the international governance of sustainable development. My current research examines the international governance of blended finance for the UN’s Sustainable Development Goals, in which the role of official development assistance (ODA or development aid) is key.


Dr Kinnari Bhatt

Senior Researcher and Project Coordinator, International Institute of Social Studies and Erasmus School of Law, Erasmus University Rotterdam, the Netherlands


My research focuses on private sector development practice in the field of natural resource management, infrastructure and transnational trade flows into developing countries. In this context, I place special attention to the impact of the law and practice of private finance (loans, guarantees, insurance, bonds) on social justice and rule of law concerns.


Dr Giedre Jokubauskaite

Lecturer in International Law, University of Glasgow


My research is on accountability in project finance, and the extent to which local groups affected by development interventions can influence and contest mainstream development agenda through law. Within the NefDef project I examine legal instruments that facilitate environmental offsetting, by looking at ‘blue bonds’ and sustainable finance more generally.

Dr Stéphanie de Moerloose

Swiss National Science Foundation Postdoctoral Fellow, Humbolt University Berlin and Universidad Austral, Escuela de Gobierno, Argentina


I conduct research into the legal aspects of international financial institutions’ development cooperation, especially environmental and social conditionality, blended finance and the implementation of sustainable development. It is premised on law and development literature and on the law of international organisations.