Nizar Chemingui received his B.Sc. (Hons) in Geophysical Engineering from the Colorado School of Mines in May 1990 and his M.S. in Geophysics from Rice University (1994) on numerical methods for rough seafloor scattering. Outstanding graduating senior award in Geophysics (1990) and Cecil. H. and Ida Green award (1990). Research geophysicist with Exxon Production Research Company (summer, 92). Exploration Geophysicist with Amoco production company (summer, 95). Research Geophysicist with Mobil Oil Corporation (summer, 97). He joined SEP in September 1993 and is currently working towards a Ph.D. in geophysics. His present interests are AMO, "true-amplitude" imaging, irregular geometry and inversion to common offset (ICO).