| Date | Month | Year | Where |
| 23rd- 25th | Nov | 2020 | KIAS Retreat in Bueyo, South Korea |
| 10th- 12th | Feb | 2020 | Survey Science Group Workshop in High1 Resort, South Korea |
| 3rd- 3th | Nov | 2019 | 6th Korea-Japan workshop on dark energy at KMI in Nagoya, Japan |
| 9th- 13th | Sept | 2019 | Glasgow University, UK Visiting Prof Martin Hendry |
| 2nd – 6th | Sept | 2019 | Aachen, Germany COSMO19 Conference |
| 12th – 14th | June | 2019 | Gangneung, South Korea 2nd KASI-Yonsei Galaxy Cluster and Cosmology Workshop |
| 22nd – 27th | Apr | 2019 | Seogwipo, Jeju, South Korea CosKASI III: The Correlated Universe |
| 20th – 22nd | Feb | 2019 | High1 Resort, South Korea 8th Survey Science Group meeting |
| 16th – 20th | Oct | 2018 | Barcelona, Spain DESI collaboration meeting |
| 6th – 10th | Aug | 2018 | Daejeon, South Korea 5th Korea-Japan Workshop on Dark Energy invited talk |
| 18th – 20th | Apr | 2018 | Resom Forest, Chungcheongbuk-do, South Korea. KASI-YONSEI Galaxy Cluster and Cosmology Workshop |
| 28th – 31st | Jan | 2018 | Nanjing, China Purple Mountain Observatory invited visit |
| 12th – 13th | Oct | 2017 | Yeosu, Korea Korea Astronomical Society Meeting |
| 28th – 31st | Aug | 2017 | Nagoya, Japan Korea-Japan joint workshop on Dark Energy (invited speaker) |
| 6th – 9th | Dec | 2016 | Hsinchu, Taiwan NCTS annual meeting Strings, Particles & Cosmology |
| 20th – 23rd | June | 2016 | Durham, UK DESI collaboration meeting (Photos) |
| 15th – 17th | June | 2016 | Madrid, Spain CMB, LSS & 21 cm Surveys workshop |
| 13th – 14th | June | 2016 | Munich Germany, MPA Host Prof. E. Komatsu |
| 5th – 16th | Oct | 2015 | Honolulu, Hawaii IfA Host Dr. I. Szapudi |
| 13th – 18th | Sept | 2015 | Portsmouth, UK 1st ICG-CosKASI joint workshop |
| 6th – 11th | Sept | 2015 | Urumqi, China Tianlai Collaboration (Photos) |
| 27th – 29th | May | 2015 | Chicago, USA (Fermilab) DESI Collaboration (Photos) |
| 12th – 28th | Feb | 2015 | Honolulu, Hawaii IfA Host Dr. I. Szapudi |
| 25th – 31st | Jan | 2015 | High1, South Korea – Joint Winter Conference on Particle Physics, String and Cosmology |
| 15th – 31st | Oct | 2014 | Nagoya, Japan – Visit to the C-Lab |
| 6th – 11th | July | 2014 | Daejeon, South Korea (IBS) – Precision Era for Large Scale Structure |
| 2nd – 5th | June | 2014 | Pohang, South Korea 1st APCTP-TUS workshop on Dark Energy |
| 20th – 22nd | Apr | 2014 | Daejeon, South Korea (KASI) Cosmological Quests for the Next Decade |
| 16th – 18th | Apr | 2014 | Daejeon, South Korea (KASI) Inaugural conference of CosKASI Cosmological Quests for the Next Decade |
| 4th – 6th | Nov | 2013 | Jeju, South Korea School of Physics Annual Workshop (Photos) |
| 14th – 16th | Oct | 2013 | Shanghai, China Cross-Correlating Cosmic Fields Conference |
| 10th – 11th | Oct | 2013 | Mokpo, South Korea Korean Astronomical Society Meeting |
| 23rd – 27th | Sept | 2013 | Daejeon, South Korea (KASI) Dark Energy Workshop |
| 1st – 30th | Mar | 2013 | Glasgow → Barcelona → Portsmouth → London |
| 15th | Oct | 2012 | Move to Seoul, South Korea. Start working at KIAS (pics) |
| 12th – 16th | Mar | 2012 | Munich (Max Planck) DES collaboration meeting (Photos) |
| 11th – 13th | Oct | 2011 | Boston (Harvard), collaboration visit with Molly Swanson |
| 7th – 11th | Oct | 2011 | Philadelphia, DES collaboration meeting (Photos) |
| 27th – 30th | Jun | 2011 | Portsmouth, DES collaboration meeting |
| 18th – 20th | Apr | 2011 | Llandudno, Wales, National Astronomy Meeting |
| 19th – 22nd | Oct | 2010 | Chicago (Fermilab), DES collaboration meeting (Photos) |
| 10th – 11th | May | 2010 | Munich, DES data management meeting |
| 4th – 7th | May | 2010 | Madrid, DES collaboration meeting |
| 12th – 16th | Apr | 2010 | Glasgow, National Astronomy Meeting |
| 16th – 29th | Jan | 2009 | Cape Town (SA), JEDI-3 workshop |
| 3rd – 9th | Jan | 2009 | Long Beach(California), AAS |
| 6th – 14th | Apr | 2008 | Cape Town (SA), JEDI workshop (Photos) |
| 24th – 26th | Oct | 2007 | Edinburgh, Decrypting the Universe |
| 26th – 31st | Aug | 2007 | Venice, A Century of Cosmology Conference |
| 19th – 20th | Jul | 2007 | Portsmouth, Higher Order Statistics Workshop (main LOC) |
| 4th | May | 2006 | London, DES collaboration meeting. |
| 19th – 20th | Jul | 2006 | Portsmouth, Galaxy Redshift Surveys Workshop |
| 26th – 30th | Jun | 2006 | Valencia, Large-Scale-Structure Conference |
| 12th – 12th | Jun | 2006 | Edinburgh, Cormack Bequest Meeting |
| 20th – 23rd | Apr | 2006 | Edinburgh, Alternative Gravity Workshop |
| 25th – 27th | Oct | 2005 | Millport, Postgraduate Training |
| 5th – 9th | Sept | 2005 | Edinburgh, PPARC summer school |
