2014:
  Feb 15 - Mar  2: SNU, KASI
  Apr 13 - Apr 20: Tucson - LA - Toronto; UArizona (WIFIS), Caltech (Keith)
  Jun 26 - Jul 13: YYZ - SFO - ICN; ICN - SFO - YYZ, Korea
  Oct 18 - Oct 30: YYZ - Dulles - ICN; ICN - YYZ; Korea

2013:
  Jan  1 -       : Visiting Brain Pool Scholar to KASI/SNU, Korea (Sabbatical)
  Oct 10 - Oct 13: NYC
  Nov 07 - Nov 17: Korea (KASI)

2012:
  Sep  2 - Dec 31: Visiting Brain Pool Scholar to KASI/SNU, Korea (Sabbatical)
  Dec 24 - Dec 26: NYC
  Dec 19 - Dec 24: Toronto
  Dec 16 - Dec 18: Caltech (Keith, Tom)
  Aug 12 - Aug 16: Caltech (Keith)
  Jue 25 - Jul 17: Europe (SPIE, ....)
  Apr 29 - May 13: Korea (SNU, KASI)

2011:
  Dec 22 - Dec 30: LAV, Pasadena, St.Monica
  Dec 07 - Dec 19: KASI, Korea
  Oct 22 - Oct 24: New York City
  Aug 23 - Aug 26: UT Austin, IGRINS CDR 
  Jul 10 - Aug 14: Calgary, Canadian Rockies, Vancouver
  Jul 06 - Aug 01: Korea
  Mar 12 - Mar 24: Chile, NTT Observations
  Jan 23 - Jan 29: UT Austin (IGRINS Camera CDR) & Caltech (Keith, Tom, Fiona)

2010:
  Dec 19 - Dec 27: FL & NYC
  Dec  4 - Dec 16: Korea (KASI, SNU, GEMS Meeting)
  Jul 30 - Aug 29: Korea (GEMS Meeting in Aug 23-24; IGRINS Workshop in Aug 25-27)
  Jun 30 - Jul 10: Caltech, San Diego (SPIE/TMT Meeting)
  May 15 - May 25: Switzerland, Austria
  Mar 25 - Mar 28: Torino, Italy (Figure Skating)
  Mar 23 - Mar 25: NOAO, University of Arizona (FISICA move to Toronto)
  Mar 11 - Mar 13: HIA, Victoria, BC (Canadian DEM meeting) 
  Feb 13 - Feb 16: Caltech, Pheonix & Grand Canoyn, AZ

2009:
  Dec 10 - Dec 17: Korea, SNU visit
  Dec  5 - Dec  9: Caltech & Carnegie Obs., Pasadena, CA (Keith & Fiona, kson)
  Dec  2 - Dec  5: IGRINS PDR (UT Austin, TX)
  Aug 18 - Aug 31: Korea, IR Summer School in Aug 24-25
  Aug 12 - Aug 17: JPL & Caltech (kson & Keith); Los Angeles; San Francisco
  Jul 31 - Aug  3: Ithaca, NY, Cornell Univ. (Bruce Pirger) 
  Jun 30 - Jul 12: Switzerland, Paris, London
  Jun  1 - Jun  3: TMT Instrument team meeting & Caltech Visit (NIRES), Pasaden, CA
  May 26 - May 29: CASCA@Toronto
  Apr 15 - Apr 25: Korea (SNU, Sejong U., SKKU) 
  Feb 22 - Feb 22: Seoul, Korea
  Feb 12 - Feb 20: Akari Conference, Univ. of Tokyo, Japan; Korea

2008:
  Dec 18 - Jan 01: Seoul, Korea 
  Nov  8 - Nov 12: Caltech, Pasadena, CA, USA
  Nov 12 - Nov 16: CFHT SAC Meeting, Waimea, Hawaii, USA
  Oct 23 - Oct 26: CTAC, Saint Mary University, Halifax, NS
  Sep 11 - Sep 14: Colloquium@Saint Mary University, Halifax, NS
  Aug 04 - Aug 14: Korea
  Jul 12 - Jul 20: COSPAR Meeting, Montreal, QB
  Jun 26 - Jul 08: Korea
  May 19 - May 23: CASCA, Victoria, BC 
  May 15 - May 16: CFHT SAC Meeting, Toronto, ON
  May 13 - May 14: CFHT LPTAC Meeting, Toronto, ON
  May  9 - May 11: CTAC, University of Manitoba, Winniepeg, MN
  Mar 27 - Mar 28: McGill University, Montreal, QB
  Feb 16 - Feb 23: Korea

2007:
  Dec 22 - Dec 27: New York City (Vacation)
  Dec 12 - Dec 20: Caltech (Pasadena, CA, USA)
  Nov 08 - Nov 10: Caltech (Pasadena, CA, USA)
  Nov 05 - Nov 08: CFHT SAC meeting (Waimea, Hawaii, USA)
  Nov 02 - Nov 04: CTAC meeting (Quebec, Canada)
  Sep 28 - Oct 06: Korea (SNU, KASI, SKKU)
  Jul 01 - Jul 07: Cornell University, Ithaca/NY, USA
  May 14 - May 17: Paris@France
  May 12 - May 14: CFHT SAC Meeting (Cassis@France)
  May 08 - May 11: CFHT User's Meeting (Marseille@France)
  Apr 28 - May 03: Canadian Gemini/CFHT TAC Meeting (HIA, Victoria)
  Apr 10 - Apr 28: SNU Visit (Seoul, Korea)
  Mar 21 - Mar 29: KECK Observations (Big Island@Hawaii,USA) and Caltech Visit (Pasadena,CA,USA)
  Feb 18 - Feb 20: Caltech@Pasadena,CA,USA
  Feb 14 - Feb 18: HIA@Victoria,BC,Canada (Talks: 3pm@15th & 10am@16th)
  Jan 06 - Jan 10: AAS Meeting@Seattle,WA,USA 
  Dec 15 - Jan 06: KASI/SNU@Yuseong&Seoul,Korea

2006:
  Dec 15 - Jan 06: KASI/SNU@Yuseong&Seoul,Korea 
  Dec 12 - Dec 15: TMT SAC Meeting@Vancouver,BC,Canada
  Nov 22 - Nov 25: Canadian Space Agency Workshop@Montreal,QC,Canada
  Nov 18 - Nov 20: Cornell University@Ithaca,NY,USA
  Nov 14 - Nov 16: U.of.Virginia@Charlottesville,VA,USA
  Oct 26 - Oct 30: Caltech@Pasadena,CA,USA
  Oct 17 - Oct 26: SNU/KASI@Seoul&Yuseong,Korea