January 1995 to present:

    Assistant and Associate Professor, School of Engineering,

    University of Alaska Anchorage, Anchorage, AK

    Teach undergraduate and graduate courses,

    research and services.

January 1990 to December 1994:

    Research Associate, the National Center for

    Earthquake Engineering Research, Buffalo, NY

    Research in the area of seismic isolation for

    bridges and buildings

June 1983 to December 1989:

    Research Assistant, Department of Civil Engineering,

    State University of New York at Buffalo

    Research in areas of Finite Element Method,

    Structural Dynamics and Earthquake Engineering

September 1976 to June 1983:

    Lecturer, Department of Civil Engineering

    Beijing Polytechnic University, Beijing, China

    Teach undergraduate courses, research and services

 September 1963 to August 1976:

    Assistant Lecturer, Department of Civil Engineering

    Beijing Polytechnic University, Beijing, China

    Teach undergraduate courses,  research and services