Saad A. Aldoihi is an assistant research professor at King Abdulaziz City for Science and Technology. He received his PhD from the Institut Polytechnique de Paris, where he specialized in system engineering, system modeling, and complex system design. His research lies at the crossroads of computer science, system engineering, system modeling, and cognitive science. His primary focus is modeling complex systems with respect to healthcare, energy, artificial intelligence, machine learning, smart-homes, and smart cities. His interest topics include system modeling, complex system modeling, system of systems, product data usage, usability, composite materials, and health surface monitoring.