The table below lists all past Chairs of CEOS and the Strategic Implementation Team (SIT).
| 
 Year  | 
 CEOS Chair  | 
 SIT Chair  | 
| 
 2026  | 
 CSIRO/GA/BoM, Australia  | 
 NASA, USA  | 
| 
 2025  | 
 UKSA, UK  | 
 JAXA, Japan  | 
| 
 2024  | 
 CSA, Canada  | 
 JAXA, Japan  | 
| 
 2023  | 
 GISTDA, Thailand  | 
 ESA, Europe  | 
| 
 2022  | 
 CNES, France  | 
 ESA, Europe  | 
| 
 2021  | 
 NASA, USA  | 
 CSIRO/GA, Australia  | 
| 
 2020  | 
 ISRO, India  | 
 CSIRO/GA, Australia  | 
| 
 2019  | 
 VNSC, Vietnam  | 
 NOAA, USA  | 
| 
 2018  | 
 EC, Europe  | 
 NOAA, USA  | 
| 
 2017  | 
 USGS, USA  | 
 ESA, Europe  | 
| 
 2016  | 
 CSIRO, Australia  | 
 ESA, Europe  | 
| 
 2015  | 
 JAXA, Japan  | 
 CNES, France  | 
| 
 2014  | 
 EUMETSAT, Europe  | 
 CNES, France  | 
| 
 2013  | 
 CSA, Canada  | 
 NASA, USA  | 
| 
 2012  | 
 ISRO, India  | 
 NASA, USA  | 
| 
 2011  | 
 ASI, Italy  | 
 JAXA, Japan  | 
| 
 2010  | 
 INPE, Brazil  | 
 JAXA, Japan  | 
| 
 2009  | 
 GISTDA, Thailand  | 
 NOAA, USA  | 
| 
 2008  | 
 CSIR, South Africa  | 
 NOAA, USA  | 
| 
 2007  | 
 USGS, USA  | 
 ESA, Europe  | 
| 
 2006  | 
 CONAE, Argentina  | 
 ESA, Europe  | 
| 
 2005  | 
 BNSC, UK  | 
 JAXA, Japan  | 
| 
 2004  | 
 NRSCC, China  | 
 JAXA, Japan  | 
| 
 2003  | 
 NOAA, USA  | 
 EUMETSAT, Europe  | 
| 
 2002  | 
 ESA, Europe  | 
 EUMETSAT, Europe  | 
| 
 2001  | 
 NASDA, Japan  | 
 CNES, France  | 
| 
 2000  | 
 INPE, Brazil  | 
|
| 
 1999  | 
 EUMETSAT, Europe  | 
|
| 
 1998  | 
 ISRO, India  | 
|
| 
 1997  | 
 CNES, France  | 
|
| 
 1996  | 
 CSIRO, Australia  | 
 CSIRO, Australia  | 
| 
 1995  | 
 CSA, Canada  | 
|
| 
 1994  | 
 DLR, Germany  | 
|
| 
 1993  | 
 NASDA, Japan  | 
|
| 
 1992  | 
 BNSC, UK  | 
|
| 
 1991  | 
 NASA, USA  | 
|
| 
 1990  | 
 INPE, Brazil  | 
|
| 
 1989  | 
 CCRS, Canada  | 
|
| 
 1986  | 
 ESA, Europe  | 
|
| 
 1984  | 
 NOAA, USA  |