I started at Rose in the fall of 1993. I got my B.A in mathematics from Reed College in 1984 and my Ph.D. from the University of Washington in 1990. I then spent 3 years in a post-doc at the Institute for Computer Applications in Science and Engineering (ICASE, RIP) at NASA Langley Research Center in Hampton, Virginia. I also worked from 1984 to 1990 as a statistician and mathematician at Blount Industries in Portland, Oregon. During the 1999-2000 and 2006-2007 academic years I took sabbaticals in the mathematics department at Rutgers University, and during the 2010-2011 year I was a Distinguished Visiting Professor at the U.S. Air Force Academy. I spent the 2014-2015 academic year working for Crane Payment Innovations in Malvern Pennsylvania, and continue to consult for them.

I am a member of the Society for Industrial and Applied Mathematics and the Mathematical Association of America. I am also on the editorial board of the journal PRIMUS.