1993, PhD in Geophysics, Univ. de Paris XI. Over nearly 25 years, has developed expertise ranging from scientific and technical competencies to results-based mgmt and multilateral diplomacy. 1993, joined BHP Minerals Int'l as a Research Geophysicist, then Project Geophysicist, Africa programmes. 1995, joined Anglo American Exploration as Divisional Principal Geophysicist for Africa. 2004-13, Director, Int'l Data Centre, CTBTO. Since 2013, Executive Secretary, CTBTO; spearheaded technical discussion of agreement on CTBTO assistance to tsunami warning centres through the UNESCO-Intergovernmental Oceanographic Commission ; 2011, 2013, led CTBT Science and Tech. Conferences, as Project Exec. and Chairman of the scientific committee and the successful deployment of the CTBT virtual Data Exploitation Centre (vDEC), which provides an innovative framework for interacting with the wider scientific community. Member, think tanks on energy, science, tech. and dev., and peace and security for Africa. Recipient, Arms Control Person of the Year, Arms Control Association, USA (2013).