Hesham S. Ibrahim received his B.Sc. and M.Sc. degrees in electronics and communications engineering from the Arab Academy for Science, Technology and Maritime Transport (AASTMT), Egypt. He is currently working toward his Ph.D. at ENSTA-Bretagne in collaboration with ISEN-Brest, France. His research interests include nonorthogonal multiple access and optical wireless communications with a particular focus on visible light communication and free-space optical.