PhD Graduate

1980 to 1986

Professor, University of Cincinnati

1988 to 1995

Research Computing, University of Colorado, Boulder

1984 to 1990

Professor, University of Central Oklahoma

1997 to 2005

Development Team Lead, thoughtbot

2000 to 2005

Staff Applied Mathematician, U.S. Food and Drug Administration

1988 to 1993

Associate Professor, CIMAT (Centro de Investigacion en Mathematicas Mexico)

1989 to 1994

Director, Knight Capital Group

1990 to 1994

Associate Professor, College of the Holy Cross

2002 to 2008

Senior Scientist, SHKA Incorporated

1987 to 1991

Professor, University of Central Florida