He is currently leading a research group - Nanoscale Characterization and Environmental Chemistry laboratory (NCEC Lab.) – with 8 members. He joined current position in 2005 after his ph.D degree/ postdoctoral studies in environmental science at Stanford university (1999~2005) as well as B.S./M.S. degree at KAIST (Korea Advanced Institute of Science and Technology). His current research is focused on the 1) impacts of nanoparticles on biological & environmental systems and 2) application of microfluidic devices for environmental monitoring and toxicological assays. For more details, see his updated <html><a href="http://openwetware.org/images/9/93/CV_Yoon20110425.pdf" target="_blank"><font face="candara" size=3 style="color:#db631f">CV</font></a></html>