Our team

Our team

Nani Jansen Reventlow, 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 an Associate Tenant at Doughty Street Chambers, an Affiliate at the Berkman Klein Center for Internet & Society at Harvard University and Lecturer in Law at Columbia Law School. Nani is based in Berlin.

PGP fingerprint: A917 11B1 9AA4 FF32 834D E860 E891 F887 BF66 5B74

Jonathan McCully, Legal Adviser

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 has published widely on freedom of expression, privacy, open justice, human rights and intellectual property. He is based in London.

PGP fingerprint: 579D A71C C5B7 EC09 CF4A  59A9 0C5D FCBF AC40 0131

Thomas Vink

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

Darrah Hassell

Finance Officer

Darrah Hassell

Darrah is the Finance Officer 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

Jason Williams-Quarry

Projects and Operations Assistant

Jason Williams-Quarry

Jason is the Projects and Operations Assistant at the Digital Freedom Fund. He previously worked for international NGOs helping to improve the lives of the vulnerable through collaboration and knowledge sharing. For his Master’s thesis he examined the use of surveillance and bulk-data collection and its impact on minorities and democratic norms. Jason is based in Berlin.
PGP Fingerprint: 59A1 C30E 3878 02EE 2BB9  1F15 44DE 5453 B63E 26AA
Aurum Test 2

Mozilla Fellow

Aurum Linh

Aurum is a technologist and product developer embedded as a Mozilla Fellow within the Digital Freedom Fund. They are currently examining the use of machine learning algorithms by oppressive power structures to identify human rights violations. Aurum will collaborate with DFF to lower the barriers of knowledge between technologists and digital rights litigators so that these two groups can work together more effectively. Aurum is based in New York.