Prof. Dr. Kittikorn Nakprasit is an Associate Professor at Khon Kaen University. He received a B.Sc. (Mathematics) at Khon Kaen University in 1995 and obtained an M.Sc. (Mathematics) and Ph.D. (Mathematics) at the University of Illinois at Urbana Champaign in 1999 and 2005, respectively. His research in graph theory mainly focuses on various types of graph coloring, especially on planar graphs.