Ethan Gallant

Open-source intelligence — sanctions, geopolitical risk, verification and corporate research.

London, UK

I publish methodology-led open-source investigations on sanctions enforcement, geopolitical risk, and the verification of open-source media. My work draws on Companies House and BVI registry sources, the ICIJ Offshore Leaks Database, satellite and aviation tracking, and image-forensics tradecraft.

Classics with Italian graduate from the University of Exeter. Bilingual English/Greek. Currently undertaking the process to join 3 Military Intelligence Battalion as a Reservist.

Selected publications

Open-source intelligence case studies
Policy and academic writing
June 2026 · Rules-based international order
The Order Was an Information Order. What Replaces It Will Be Too.

Submission to Chatham House's Common Futures June programme on the future of the rules-based international order. Argues that what is being replaced is not the order's substantive norms but its verification infrastructure — and that a deliberate architecture of distributed forensic capacity is needed in its place.

April 2026 · Deterrence
The End of Centralised Deterrence

Contribution to Chatham House's Common Futures programme on the future of nuclear deterrence and arms-control architecture. Part of the programme's March 2026 theme on nuclear proliferation, arms control and international cooperation.

New work published periodically. Subscribe to the Substack for case studies as they go up.

Training

Toolset

Google Earth Pro, Mapillary, KartaView, SunCalc, QGIS · ExifTool, FotoForensics, Yandex, TinEye · Maltego CE, Hunchly · ADS-B Exchange, FlightAware, MarineTraffic · OpenSanctions, OFAC SDN, Companies House · Python (requests, BeautifulSoup, pandas).

Contact