Breakthroughs begin at Caltech because it is a different kind of university—one where a small community of top scientists, engineers, and students pursue creative ideas wherever they lead. By joining the Associates, you can take part in the discovery and innovation that will change the world.

A vibrant organization of more than 2,000 individuals, the Caltech Associates has proudly supported Caltech's pioneering research and education since 1926. Your membership directly supports aspiring scientists and engineers who are creating new knowledge, leading innovation, and shaping a better future for us all.

To learn more about the membership levels and benefits for the Associates, please download our brochure or contact us by phone at (626) 395-3919 or via email at

To join the Associates, please fill out the Associates membership application. You may return the application via mail to the Caltech Associates, Mail Code 5-32, Pasadena, CA 91125 or you may fax it to (626) 395-5890.