​Yuliar Firdaus obtained his bachelor degree from Indonesia in Physics and PhD in Chemistry from KU Leuven, Belgium. He is currently the postdoctoral research fellow in the group of Professor Thomas Anthopoulos at KAUST Solar Center (KSC). His major research interest is in the physics and the chemistry of thin film materials including transport and recombination study of organic films, fabrication of organic solar cells and thin film transistors, and optical spectroscopies of materials.