The team

Steve Williams | Director


Steve has been Director since it opened in April 2011 as the joint representative office of the Governments of Guernsey and Jersey. Before that he had worked for 30 years in the British Diplomatic Service, most recently as British Ambassador to Bulgaria (2007-2011). Other overseas postings included spells in the British Embassies in Oslo and Buenos Aires, and at the UK Permanent Representation to the EU in Brussels. In London, Steve has been Deputy Director of EU Affairs, and Americas Director of the FCO.

Daniella Terruso | Senior Policy Adviser

(on a career break until mid-October 2022)

Daniella joined CIBO as Senior Policy Adviser in May 2017.  At CIBO she leads on financial services, anti-money laundering and data protection.  Previously Daniella worked as a Policy Advisor for 11 years in international law firms for EU and third-country corporate, government and financial services clients. Before that, Daniella was European Liaison Officer for 9 years for a consortium of UK counties, universities and training councils.

Marija Ivoninaite | Financial Services Adviser

Marija joined CIBO as part-time Financial Services Adviser in January 2022 to cover Daniella Terruso’s career break until end October 2022.  Marija remains a Senior Policy and Funding Executive at Scotland Europa where she has worked for the past three years. Prior to that, Marija worked in financial services advocacy and consulting, and in local and regional representation at the European Union level.

Antonio Venneri | Fiscal Attaché

Antonio joined CIBO as Fiscal Attaché in July 2021. At CIBO he is responsible for following tax policy developments at EU and OECD levels. Previously Antonio worked as Tax Policy Advisor in a European federation of tax professionals. Prior to that, he worked as international tax adviser within international consultancy firms in Italy, the UK and Belgium. Antonio is an Italian certified chartered accountant and auditor since 2011

Senthia De Buyst | Operations Manager & Policy Assistant

Senthia joined CIBO from White & Case LLP in January 2011, where she had worked on Channel Islands matters for 13 years. As a result, Senthia has a good understanding of the Channel Islands’ relationship with the EU. Prior to that, she worked for several years in the Public Affairs Department at the European headquarters of a Japanese car manufacturer. Senthia started her professional career at the Belgo-Zaïrian commercial bank.

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