Abdul Hadi Sulaiman received his Bachelor of Science degree majoring Industrial Physics under Department of Physics from Universiti Teknologi Malaysia, Johore in 2007. He obtained his Master of Science (MSc) degree at Universiti Malaya, Malaysia in 2009, under the field of photonics devices for optical communication. He completed his Doctor of Philosophy (PhD) degree in 2015 at Universiti Putra Malaysia, under research area of photonics and fiber optic system engineering. Both research work of his MSc and PhD were completed at Photonics Research Center and Photonics lab, respectively. He served as a research assistance and senior research officer at Universiti Putra Malaysia (2012-2014) and Universiti Teknologi Petronas (2015), respectively. Currently, he serves as Postdoctoral Fellow at International Islamic University Malaysia. His research interests include multiwavelength fiber laser, Lyot filter, nonlinear polarization rotation and semiconductor optical amplifier.