Mr. Rosen is a member of the Law Society of England and Wales, the International Bar Association and the Society of Trust and Estate Practitioners, in addition is a Correspondent of Unidroit, an associate member of the Institute of Directors, London, Immediate Past President of the British-Swiss Chamber of Commerce (President from 1998-2003) and is now Chairman of its Public Affairs Commission as well as President of the Council of British Chambers of Commerce in Continental Europe (COBCOE). He is also M anaging Director of Rosetrust AG, Zug and Mistral Leasing & Trading AG, Zug and a Director of Rosetrust Limited, a trust company based in Guernsey.