Born 15 November 1952, two children, Costa Rican national

BSc. in Physics, School of Physics, University of Costa Rica, San José, Costa Rica, 1975

Postgraduate Diploma in Seismology, International Institute of Seismology and Earthquake Engineering, Tokyo, Japan, 1976

MA. in Earth Sciences, Geophysics, University of Austin, Texas, USA, 1978

Ph.D. in Earth Sciences, Seismology, University of California, Santa Cruz, USA, 1986

1997-1999 Post-Doctoral Studies, Earth Sciences Department, Uppsala University, Sweden

Positions:

Professor in Geophysics, University of Costa Rica 1978-1982

Head of Seismological Department, Costa Rican Electricity and Communications Institute (ICE) 1978-1983

Researcher at the Costa Rican Volcanological and Seismological Observatory, National University, since 1983

Director of the Costa Rican Volcanological and Seismological Observatory, National University, 1988-1989

Vice-Rector of Research, National University of Costa Rica, 1989-1992

Roberto Brenes Mesén Academic Achievement Award, National University of Costa Rica, 1997

Invited Professor, Earth Sciences Department, Uppsala University, Sweden, 1997-1999

Ancora National Award in Science, 1999-2000, San José, Costa Rica

Since August 1, 2006, Director of the International Monitoring System Division, Provisional Technical Secretariat of the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO PrepCom) in Vienna, Austria