Pontificia Universidad Católica de Chile, 1989-
Chairman, Department of Statistics, 2005-Present.
Professor, Department of Statistics, 1997-Present.
Instructor, Department of Statistics, 1989-95
Twin Capital Management Inc., USA., 1994-1997
Consultant for Financial Research, 1994-1995.
Research Director, 1995-1997.
University of Chile, 1987-88.
Instructor, Department of Mathematics, Faculty of Engineering.
Chamber of Commerce of Santiago
National Environmental Commission (CONAMA).