Fires in the greater Los Angeles area have had significant impact on the Caltech's community and surrounding areas. For information and resources for members of the Caltech community, go to caltech.edu/fire.
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Caltech Alumni Association Announces 2026 Board-Nominated Slate

Update from July 10, 2025: After our announcement on May 30, Dr. David Peisner MD (BS’74) submitted a qualifying number of petitions to trigger an election under §6.02 of the Association bylaws. Dr. Peisner was the only petitioning candidate. Conducting a canvassed...

Scenes from Seminar Day 2025: Techer Families Join a Day of Discovery

On May 17, Techers returned to campus for the 88th Seminar Day—Caltech’s annual alumni event showcasing faculty research across disciplines. This year’s program included talks on land use policy, soft materials engineering, AI-driven approaches to cancer research,...

Support the Caltech and JPL Disaster Relief Fund

In times of hardship, loss, and uncertainty, we depend on the collegiality, caring, and resilience of our community. The Caltech and JPL communities—our dedicated staff, faculty, and students—have been greatly impacted by this week’s devastating fires in Southern...

Resources and Response for the Caltech Community from President Thomas F. Rosenbaum

To: The Caltech Community From: Thomas F. Rosenbaum Sonja and William Davidow Presidential Chair and Professor of Physics We end a devastating week sustained by the care and resolve of the Caltech community, yet sobered by the scale of loss and the long recovery...

Caltech by the Numbers

The Caltech Alumni Association (CAA) was founded in 1920. Today, CAA serves a growing community of 25,500 Caltech alumni around the world, including some of the brightest minds in science, engineering, and business.

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