Mohamed Ibrahim is a Professor of Plant Physiology in the Faculty of Agriculture at Ain Shams University, in Cairo, Egypt. He works on projects related to vegetable crop production under stress conditions and conducts studies related to plant stress physiology, such as drought, salinity, heavy metals, nutrient deficiency, and plant viral diseases. He also researches changes of secondary metabolites in medicinal plants under stress conditions. He is implementing investigations on the effect of signaling molecules, i.e., melatonin, GABA, NO, etc., at all levels, including molecular, biochemical, organ, and the whole plant.