Andreas was called to the Bar in 1992 and specialises in in international crime, transitional justice and European law (especially in the fields of crime, employment and immigration).
Internationally, he acts for the former president of Ivory Coast, Laurent Gbagbo before the International Criminal Court and he has previously represented General Germain Katanga, the second trial before the ICC.
Andreas is on the Ethics Committee of the ICCBA addressing ICC regulatory issues.
He is a leading expert in transitional justice. His book Amnesty for Crime in International Law and Practice, 2002, is one of the most comprehensive and widely read works on the subject and was described by renowned Professor John Dugard SC as ‘essential reading for scholars and practitioners’.