Sebastiaan is a specialist in the field of economic sanctions and export controls. Sebastiaan’s practice focuses on all aspects of international trade law and related issues, such as anti-moneylaundering and anti-terrorism financing legislation, anti-corruption regulations, and other compliance-related regulations.

Sebastiaan regularly advises and represents clients subject to investigation and enforcement proceedings. Sebastiaan, moreover, has vast experience in the setting up, the enhancement of and the keeping effective of corporate compliance programmes, especially in the fields of economic sanctions, export controls and anti-corruption, for companies active in and outside the Netherlands.

A particular aspect of Sebastiaan’s practice is the emphasis on legally, strategically and technically complex cross-border matters. Clients highly regard Sebastiaan’s direct, clear and practical advice, as well as his sharp legal analyses, his result-driven approach and in-depth knowledge of their business.

Sebastiaan publishes on a regular basis, provides numerous trainings and is a frequent speaks at national and international conferences on economic sanctions and export controls. Additionally, Sebastiaan is BNR Newsradio’s expert on sanctions and export controls and is often interviewed on the radio and on Dutch national television. Sebastiaan is also regularly quoted in the newspapers (FD and Trouw) on sanctions and export control related matters.

Sebastiaan is appointed Vice Chair of the Export Control and Economic Sanctions Committee of the ABA International Law Section for the ABA year 2023/2024.