August 2013-Present:
Assistant Professor, Department of Chemistry, VCU, USA.
August 2011–August 2013:
Adjunct Assistant Professor, Department of Chemistry, VCU, USA.
January 2010– August 2013:
Research Associate with Professor M. Samy El-Shall, VCU, USA.
August 2009-December 2009:
Research Associate with Professor Sherif El-Gizawy, MU, USA.
January 2007-March 2009:
Assistant Professor, Misr International University Cairo, Egypt.
February 2004-January 2007:
Lecturer, Ain Shams University, Cairo, Egypt.
September 2005-August 2006:
Fulbright Scholar with Professor M. Samy El-Shall, VCU, USA.
January 2000-February 2004:
Ph.D-Student (Mechanical and Aerospace Engineering), MU, USA.
October 1998-November 1999:
M.Sc-Student Imperial College, London, UK.
October 1995-June 1998:
Teaching Assistant, Ain Shams University, Cairo, Egypt.