Abdullah Alodhayb received his Ph.D. degree in Condensed Matter Physics, from the sensors group in the Department of Physics and Physical Oceanography at Memorial University. His research interests include the development of micro and nano sensors for chemical and biological applications. He has been granted two US patents for the development of metal oxide based sensors. He has also been awarded the prestigious Fulbright Scholarship for his excellent research activities. Dr. Alodhayb is currently an associate professor in the Department of Physics and Astronomy at King Saud University, Saudi Arabia. He is also the director of the Applied Sensing Research Laboratory at King Abdullah Institute of Nanotechnology.