Until December 2019 Justine was the Director of Sanctions Policy at UK Finance. The former chair of the European Banking Federation Sanctions Expert Group, a position she held from 2015 until December 2019, Justine has held specialist policy positions in the United Kingdom at the Financial Services Authority and the Treasury's Counter Terrorist and Proliferation Financing Branch. She has further acted as an International Monetary Fund advisor on the Nigerian anti-money laundering and counter-terrorist financing capacity building program. Formerly based in Central Asia with the United Nations, she has also worked on programs surrounding weapons and drug trafficking, corruption and terrorist financing, and has served as a national expert on the financing of weapons of mass destruction matters.
Justine has extensive experience of working with foreign governments, international bodies and financial institutions on cross border sanctions matters. This includes acting as an independent expert to the UN and other bodies on the promotion of payment channels in support of permissible international humanitarian activity within sanctioned and fragile jurisdictions, particularly Syria. On behalf of the Alliance for Financial Inclusion and under the auspices of the German G20 Presidency, she prepared the special report on access to finance for forcibly displaced persons.