Professor Heo is a public law professor at Seoul National University Law School. He teaches administrative law, environmental law, and law and economics. He received his Ph. D. in law and L.L.M. degree from Seoul National University Graduate School of Law, and he majored in economics at the Seoul National University economics department. He is interested in the research topics of economic regulation with the analytic tools of economics perspective. Recently, he is mainly interested in the field of climate change and energy law issues. He also participated in the process of framing the Green Growth Act and the Emission Trade Act in Korea. Before joining the SNU Law School as a faculty in 2006, he served as a judge of Seoul Central District Court in Korea. He stayed as a visiting scholar at Stanford University Asia Pacific Research Center in the U.S. from Aug. 2010 to Aug. 2011. He also stayed at Munich University College of Law in Germany from Dec. 2009 to Feb. 2010.