Wayne State University, Detroit, Michigan, USA

    Professor

Department of Electrical and Computer Engineering Aug. 2003-Present
    Associate Professor Department of Electrical and Computer Engineering Aug. 2000-Aug. 2003

    Full Member 

Barbara Ann Karmanos Cancer Institute, Detroit Sept. 2003-Present
    Researcher Veterans Affairs Medical Center, Detroit May 2004-2014

Hengyang Normal University, Hunan, China

    Guest Professor     กก 2015 – Present

Yulin University, Shaanxi, China

    Honorary Professor     กก 2015 – Present

Donghua University (Formerly China Textile University), Shanghai, China

    Advisory Professor     กก 1998–Present

The University of Texas Medical Branch, Galveston, Texas, USA

    Associate Professor Department of Physiology and Biophysics 1998–2000
    Assistant Professor  Department of Physiology and Biophysics 1992–1998
    Scientist    Biomedical Engineering Center  1990–2000

The University of Texas at Austin, Austin, Texas, USA

    Adjunct Associate Professor Biomedical Engineering Program 1998–2000
    Adjunct Assistant Professor  Biomedical Engineering Program 1997–1998

The University of Alabama at Birmingham, Birmingham, Alabama, USA

    Instructor Department of Mathematics 1987–1990

Carraway Methodist Medical Center, Birmingham, Alabama, USA

    Research Fellow  Kemp-Carraway Heart Institute 1986–1990

Donghua University

    Instructor    Department of Electrical Engineering 1984–1986