|2005 - Present||Professor, Western Michigan University.|
|2000 - 2005||Associate Professor, Western Michigan University.|
|1996 - 2000||Assistant Professor, Western Michigan University.|
|1995 - 1996||Visiting Assistant Professor, University of Texas at El Paso.|
|1995||Ph.D. in Mathematics,
Area: Algebraic Combinatorics
Thesis: Subposets of Boolean Algebras
Advisor: Professor Bruce E. Sagan.
|1989|| MA. in Mathematics, Jordan University, Amman,
Area: Algebra (Ring Theory)
Thesis: On Elementary Divisor Rings and Hermite Rings
Advisor: Professor Hasan Al-Ezeh.