Dr. Joon Heo received his B.S. degree in the Department of Civil Engineering, Seoul National University, Korea in 1993 and received his M.S. degree in Department of Civil and Environmental Engineering, University of Wisconsin-Madison, USA in 1997. He received his Ph.D. degree in the Department of Civil and Environmental Engineering, University of Wisconsin-Madison, USA in 2001. He is currently a professor in the department of civil and environmental engineering, Yonsei University. His research interests include 3D mapping, spatial data science, and remote sensing.