Dr. Changha Lee obtained both B.S. and Ph.D. degrees in chemical engineering (environmental engineering major) at Seoul National University in 2001 and 2007, respectively. During his Ph. D. studies, he worked as a visiting scientist at Swiss Federal Institute of Aquatic Science and Technology (EAWAG) from 2005 to 2006. After graduation, he worked as a postdoctoral fellow at the department of civil and environmental engineering, University of California, Berkeley from 2007 to 2009. Then, he joined the faculty of urban and environmental engineering at Ulsan National Institute of Science and Technology (UNIST). He is interested in various subjects related to water chemistry and chemical processes for water and wastewater treatment. He published 88 papers in international peer-reviewed journals to date.