Year

Employer

Position

1974/1975

KFUPM(SA)

Graduate Assistant

1975/1977

Colorado School of Mines(USA)

Graduate Assistant

1977/1980

The University of Oklahoma(USA)

Graduate Assistant

1980/1981

KFUPM

Assistant Professor

1981/1982

KAAU

Assistant Professor and Chairman of the Ch.E Dept.

1984/1986

KAAU

Assistant Professor and acting chairman of the Ch.E Dept. for a number of times

1989/1991

KAAU

Assistant Professor and acting chairman of the Ch.E Dept. for a number of times

1992/1996

KAAU

Associate Professor and acting chairman of the Ch.E Dept. for a number of times

1997/2001

KAAU

Chairman of the Chemical Engineering Department

2001/ present

KAAU

Associate Professor at the  Ch.E Dept.