Dr. Khanit Matra is an Associate Professor in the Department of Electrical Engineering, Faculty of Engineering, Srinakharinwirot University, Nakhon Nayok, Thailand. He obtained his B.Eng. and M.Eng. degrees in Electrical Engineering from Khon Kaen University, Thailand, in 2007 and 2009, respectively. In 2013, he received his Ph.D. in Electronics and Photonics Systems Engineering from Kochi University of Technology, Japan. Dr. Matra’s areas of expertise include micro gas discharge and atmospheric non-thermal plasma, high voltage engineering, and artificial electromagnetic materials (metamaterials) design and applications.