Doctor of Philosophy, University Wisconsin, Madison, 1981.
Associate research scientist Courant Institute New York University, New York City, 1981—1984, adjunct professor, 2000—2001. Director Standard and Poor's, New York City, 2001—2002.
Member Self Realization Fellowship, Los Angeles, 1988—2010. Member of Society for Industrial and Applied Mathematics.
Married Magdalena Kerima Mueller, August 16, 1995.