PhD Graduate

2000 to 2007

Associate Professor, Università degli Studi di Padova, Italy

1991 to 1998

Professor, Universidad de Sonora

1992 to 2001

Mathematician, Imaging Physicist, U.S. Food and Drug Administration

2008 to 2013

Assistant Professor, Metropolitan State University of Denver

1994 to 2000

Director, Cytel

2000 to 2006

Professor, Montclair State University

1974 to 1979

Grant Dahlstrom Distinguished Professor of Mathematics

1991 to 1995

Permit Specialist, Barrick Gold Corporation

1997 to 2006

Associate Professor, Universidad Autónoma Metropolitana

1992 to 2002

Professor Mathematics, Pima Community College