Usa Humphrise is a lecturer at the Department of Mathematics, Faculty of Science, King Mongkut’s University of Technology Thonburi (KMUTT), Thailand. She completed her bachelor’s degree in mathematics from Prince of Songkla University, Thailand, in 1991. She obtained her master’s degree in applied mathematics from KMUTT, Thailand, in 1994 and her PhD in applied mathematics from the University of Exeter, England, in 2000. Her research interests are in the fields of oceanic modeling, climate, and applied mathematics.