- Genetics of behavior
- Neural circuits and connectome
- Maintenance and evolution of telomeres

1994. 09 ~ 1995. 08 Postdoc, UC Berkeley
1995. 09 ~ 2004. 08 Professor, Yonsei University
2004. 09 ~ present Professor, Seoul National Univerity
2018. 06 ~2022. 06 Dean, College of Natural Sciences
2018. 06 ~ present Chair, Association of Research Institute for Basic Sciences,
2023. 01 ~2023. 12 President, KSMCB