The Sentinel-6/Jason-CS mission is a partnership between NASA, ESA (the European Space Agency), the European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT), and the National Oceanic and Atmospheric Administration (NOAA), with funding support from the European Commission and support from France's National Centre for Space Studies (CNES). NASA's Jet Propulsion Laboratory (JPL), a division of Caltech in Pasadena, California, manages the mission for the Earth Science Division (ESD) in the Science Mission Directorate (SMD) at NASA Headquarters in Washington.

At NASA JPL, Parag Vaze is the project manager and John Oswald is the deputy project manager. Josh Willis is the project scientist.

At NASA HEADQUARTERS, Thomas Zurbuchen is the associate administrator for SMD. Karen St. Germain is the director of ESD. Steve Neeck is program executive for Sentinel-6/Jason-CS, and Nadya Vinogradova Shiffer is program scientist for Sentinel-6/Jason-CS.

At ESA, Pierrik Vuilleumier is the project manager, and Craig Donlon is the mission project scientist.

At EUMETSAT, Manfred Lugert is the project manager, and Remko Scharroo is the project scientist.

At NOAA, Chris Sisko is the project manager, and Eric Leuliette is the project scientist.