Half Century Club Reunion
California Insitute of Technology 1200 East California Boulevard, Pasadena, CA, United StatesCome back to Pasadena for a weekend of activities celebrating Half Century Club alumni and the newest Half Century Club inductees from the Class of 1975.
Seminar Day
California Insitute of Technology 1200 East California Boulevard, Pasadena, CA, United StatesJoin the Caltech community for the 88th Annual Seminar Day on Saturday, May 17!
Houston Alumni Brunch
Rainbow Lodge 2011 Ella Blvd., Houston, TexasJoin Caltech alumni in Houston for a brunch on Sunday, May 25, 2025, from 11 a.m. to 1 p.m., hosted by Thor Hanson (BS '64, PhD) and Dan Liebling (BS '02), to reconnect, share ideas, and discuss future alumni activities.
Caltech Together: Portland
OMSI 1945 SE Water Ave., Portland, Oregon, United StatesJoin Caltech alumni and their families for a free morning of science and discovery at the Oregon Museum of Science and Industry in Portland.
Caltech in London
London Institute for Mathematical Sciences at the Royal Institution 21 Albemarle Street, London, United KingdomJoin fellow alumni, friends, and leaders from across disciplines for an evening at the historic Royal Institution—home to discoveries that have shaped our understanding of the world.
Caltech in Paris
Hotel Pont Royal 5-7 rue de Montalembert, Paris, FranceGather with fellow Techers in one of Paris’s historic literary venues.
Tables for Techers
On Saturday, July 26 – Sunday, July 27, 2025, share a meal, and reconnect with your Caltech community during Tables for Techers!
Wonders of Peru
In Lima, take in splendid colonial-era architecture, admire the Larco Museum’s exceptional pre-Columbian art, and more!
Total Solar Eclipse with a Taste of Spain
Join fellow Techers in Zaragoza, Spain, a historic city along the path of totality, for an immersive experience that combines science, exploration, and community.