- Visualizing various cellular activities and cell signaling by biosensor development and bioimaging
- Controlling diverse intracellular molecules by developing molecular optogenetics
- Repairing cellular dysfunctions in living cells and animal brain through optogenetic and RNA therapeutics

2017.09. ~ Professor, Dept. of Biological Sciences, KAIST
2012.03. ~ 2017.08. Associate Professor, Dept. of Biological Sciences, KAIST
2013.05. ~ 2012.02. Group Leader, Center for Cognition and Sociality, IBS
2008.02. ~ 2012.02. Assistant Professor, Dept. of Biological Sciences, KAIST
2005.08. ~ 2008.01. Co-Investigator, Dept. of Chemical and Systems Biology, Stanford University
2003.11. ~ 2008.01. Senior Research Scientist, Dept. of Chemical and Systems Biology, Stanford University
2002.11. ~ 2003.10. Research Associate ll. Dept. of Molecular Pharmacology, Stanford University
2000.05. ~ 2002.10. Post-doc. Dept. of Molecular Pharmacology, Stanford University

2022 Prize of academic excellence / KAIST
2019 The author of the Month (October) / NATURE METHODS
2009 Gyeongsang PEOPLE / Gyeongsang National University