SAKAI, Shotaro Assistant Professor, Faculty of Environment and Information Studies (Tenure track*)*This is not the official name of the position. Graduate school of Media and Governance Areas of Expertise: Planetary Aeronomy, Planetary Science, Space Physics Web site X Program EG Degrees Ph.D. Direct Line 0466-49-3420 E-mail shotaro[at]sfc.keio.ac.jp※Please replace [at] with @.