Previous Conference editions were hosted by the following organisations at the described locations:
| No | Date | Place | Host |
|---|---|---|---|
| 19th | October 2018 | Songdo, Korea | Green Climate Fund |
| 18th | October 2017 | New York City, USA | UN-OIOS, UNDP, UNFPA, UNICEF |
| 17th | October 2016 | Laxenburg, Austria | International Anti-Corruption Academy (IACA) |
| 16th | October 2015 | Montreux, Switzerland | The Global Fund |
| 15th | October 2014 | Riva Del Garda, Italy | OLAF |
| 14th | September 2013 | Tunis, Tunisia | AFDB |
| 13th | September 2012 | Luxembourg | EIB |
| 12th | May 2011 | Washington DC, USA | World Bank INT |
| 11th | June 2010 | Nairobi, Kenya | UN-OIOS |
| 10th | June 2009 | Dead Sea, Jordan | UNRWA |
| 9th | June 2008 | Rome, Italy | FAO |
| 8th | May 2007 | Vienna, Austria | UN-OIOS/OLAF |
| 7th | June 2006 | London, England | EBRD |
| 6th | June 2005 | Washington DC, USA | IADB |
| 5th | May 2004 | Lyon, France | Interpol |
| 4th | April 2003 | Brussels, Belgium | OLAF |
| 3rd | March 2002 | Washington DC, USA | World Bank INT |
| 2nd | 2000 | Rome, Italy | WFP |
| 1st | September 1999 | New York, USA | UN-OIOS |