The American Geophysical Union is a 501 nonprofit organization of Earth, atmospheric, ocean, hydrologic, space, and planetary scientists and enthusiasts that according to their website includes 130,000 people. Wikipedia
CEO: Christine McEntee (Sep 2010–)
President: Lisa Graumlich
Founded: 1919
Headquarters: Washington, D.C.
Abbreviation: AGU
Employees (2017): 148