Professor, Department of Philosophy, Lehigh University, Bethlehem, Pennsylvania, June 2014– Present Associate Professor, Department of Philosophy, Lehigh University, Bethlehem, Pennsylvania, August 2006–May 2014 Adjunct Associate Professor, Department of Philosophy, University of New Mexico, Albuquerque, May 2004–May 2006 Instructor, Department of Philosophy, Central New Mexico Community College, Albuquerque, August 2005–April 2006 Associate Professor, Department of Philosophy, University of New Mexico, Albuquerque, August 1998–October 2003 Assistant Professor, Department of Philosophy, University of New Mexico, Albuquerque, August 1995–July 1998 (Graduate Director, August 1997–July 1998) Assistant Professor, Department of Religion and Philosophy, Luther College, Decorah, Iowa, August 1994–June 1995 Assistant Professor, Department of Philosophy, Florida State University, Tallahassee, August 1991– June 1994 (Graduate Director, August 1992–December 1993) Lecturer, Department of Philosophy, University of Wisconsin, Madison, Spring and Summer 1990 and Summer 1991 Teaching Assistant, Department of Philosophy, University of Wisconsin, Madison, Fall 1988 and Fall 1989 Instructor, Department of Liberal Studies, Division of University Outreach, University of Wisconsin, Madison, January 1987–June 1990 Teaching Assistant, Department of Mathematics, University of Wisconsin, Madison, August 1984– June 1988 Teaching Assistant, Department of Mathematics, University of Baghdad, Baghdad, Iraq, September 1978–June 1979