We are greatful for conference support from:


What is IUPAP? Please visit its website and look at the IUPAP poster.




National Science Foundation of the US




GR21 is expected to attract approximately 650-850 international delegates. A sponsor exhibit is expected to run throughout the conference, allowing useful discussions between participants as well as our sponsors and exhibitors. The conference will also be an educational and enjoyable experience for all.

Sponsorship and exhibition opportunities at GR21 are available. We offer a variety of options that will provide you with complete marketing exposure throughout the conference, including logos on conference material, exposure through print advertising in Conference Programs and networking opportunities.
To discuss the opportunities available for your organisation, please contact:

Zsuzsa Marka
Columbia Astrophysics Laboratory
GR21.LOC@gmail.com