Ahmed I. Zayed is an Egyptian American mathematician. His research interests include Sampling Theory, Wavelets, Medical Imaging, Fractional Fourier transform,Sinc Approximations, Boundary Value Problems, Special Functions and Orthogonal polynomials, Integral transforms. Zayed is a professor at DePaul University. He also has taught at University of California-Berkeley, University of Wisconsin–Milwaukee, The American University in Cairo, University of Carlos III and University of Central Florida.