Formerly: Teacher and Researcher, Law Faculty, Zurich University; practiced law until 1973; 1973-78, with International Committee of Red Cross: Acting Delegation Head Egypt; Head, Delegation Chile; Regional Representative Southern Latin America in Argentina. 1978-83, with Office UN High Commissioner for Refugees: Representative in Brazil; Legal Adviser for Europe; Acting Head, Europe Section. 1983-96, Director, Coordinator, Operations and Senior Policy Adviser, International Organization for Migration; 1996-2006, Senior Special Fellow, UN Institute for Training and Research; 1997-2004, Founder and Executive Director, International Migration Policy Programme; 2003-06, Executive Director, Global Commission on International Migration; since 2006, current position. Member, Club of The Hague on Future of Refugee and Migration Policies. Counsellor, Swiss Forum for International Affairs.