| Date (2005) | Destination |
| January 13 | Dwingeloo: NL ALMA Regional Center working group |
| January 14 | Bonn (D): colloquium |
| February 4 | Garching (D): ALMA Regional Center meeting |
| February 11 | Dwingeloo: colloquium |
| April 12 | Utrecht: NWO VI meeting |
| April 18 | Utrecht: HIFI meeting |
| May 23 | Dwingeloo: NLPC meeting |
| May 30-June 1 | Garching (D): ESO OPC panel meeting |
| June 11-18 | Cambridge, MA: SMA conference |
| June 26-July 4 | Paranal: observing |
| August 29-September 2 | Monterey, CA: IAU Symp 231: Astrochemistry |
| 3-7 October | Pradollano (E): IRAM Summer School |
| October 24-28 | Big Island, Hawaii: Protostars and Planets IV |
Older travel: 2004.