Dr. Nguyen Tien Dai currently works at the Korea Research Institute of Standards Science (KRISS), Chungnam National University in South Korea, and Institute of Materials Science, Vietnam Academy of Science and Technology. At present, he research and teaches in Materials Science at the Institute of Theoretical and Applied Research, Duy Tan University. His current projects are 'InGaAsSb based optoelectronic devices (photodetectors and light-emitting diodes) for gas sensor and emitter applications and synthesis of MoS2 nanostructures for photocatalyst and optoelectronic devices.