Dr. Nashi Khalid Alqahtani is working as an Associate Professor of Food Science and Technology at King Faisal University in Saudi Arabia. He earned his MSc degree and Ph.D. at RMIT University in Australia, both in Food Science. His main interests are in functional foods, characterization, the structure and function of natural and modified hydrocolloids, soluble and insoluble dietary fiber: molecular characteristics and physiological benefits, and structural properties and novel functionality.