Our team

Director
Nani Jansen Reventlow
Nani is the Director of the Digital Freedom Fund. She is a recognised international lawyer and expert in human rights litigation responsible for groundbreaking freedom of expression cases across several national and international jurisdictions. Nani is also a Lecturer in Law at Columbia Law School and Adjunct Professor at the Blavatnik School of Government, Oxford University. Nani is based in Berlin.
PGP fingerprint: A917 11B1 9AA4 FF32 834D E860 E891 F887 BF66 5B74

Programme Officer
Thomas Vink
Thomas is the Programme Officer at the Digital Freedom Fund. Before joining DFF he worked at an international anti-corruption organisation, managing multi-country projects on areas such as ethics and integrity policy, protecting victims and witnesses of corruption, and social accountability. Thomas is based in Berlin.
PGP Fingerprint: 4785 9ED7 AE81 E2BC BA5C C7DE 2A9F ECE2 498A 87E9

Legal Adviser
Jonathan McCully
Jonathan is the Legal Adviser to the Digital Freedom Fund. He previously held a senior legal role at an international non-governmental organisation, working on strategic litigation before international, regional and domestic courts. Jonathan is also a Mozilla Fellow, creating resources to facilitate greater collaboration between litigators and technologists in cases challenging human rights violations caused by AI. Jonathan is based in London.
PGP fingerprint: 579D A71C C5B7 EC09 CF4A 59A9 0C5D FCBF AC40 0131

Finance Manager
Darrah Hassell
Darrah is the Finance Manager at the Digital Freedom Fund. She is a qualified finance professional, holding a Master’s in Finance from the Frankfurt School of Finance and Management. Before taking up her position at DFF, Darrah worked for eight years in the international development sector. Darrah is based in Berlin.
PGP Fingerprint: 3DBC 3963 5DA0 EAB0 D224 39F5 37BC 0ACA 201D B84D

Operations Officer
Charles Soebarta
Charles is the Operations Officer at the Digital Freedom Fund. He previously worked on international events and has written a book on content moderation and social media. Charles is based in Berlin.
PGP Fingerprint: 68B2 DEE0 6B88 1C4A 7662 DC23 0505 AC94 149A DCF1

Project Support
Joel Hide

Mozilla Fellow
Aurum Linh

Legal Fellow
César Manso-Sayao
César is a Legal Fellow at DFF. He is a law graduate from the University of Costa Rica, and holds two Master’s degrees from the University of Barcelona, one in Human Rights and the other in Sociology. He also has as a postgraduate degree in Digital Rights from Pompeu Fabra University. César is based in Barcelona.
PGP Fingerprint: 0AA1 4BD6 64A3 52F3 8507 6CCC C5AC 431B BBA8 AF80