caltechalumni's profile picture. Celebrating Techers as they graduate and do great things! Alumni: Share your accomplishments and updates with our hashtag #CaltechAlumni.

Caltech Alumni Association

@caltechalumni

Celebrating Techers as they graduate and do great things! Alumni: Share your accomplishments and updates with our hashtag #CaltechAlumni.

From Lima to Machu Picchu, our Peru Techer Alumni Tour was unforgettable. Thank you to all who joined! Ready for your next adventure? Join us in Finland (February 2026) or Spain (August 2026). See upcoming tours and events: alumni.caltech.edu/events #CaltechAlumni #TecherTravels

caltechalumni's tweet image. From Lima to Machu Picchu, our Peru Techer Alumni Tour was unforgettable. Thank you to all who joined! Ready for your next adventure? Join us in Finland (February 2026) or Spain (August 2026). See upcoming tours and events: alumni.caltech.edu/events

#CaltechAlumni #TecherTravels
caltechalumni's tweet image. From Lima to Machu Picchu, our Peru Techer Alumni Tour was unforgettable. Thank you to all who joined! Ready for your next adventure? Join us in Finland (February 2026) or Spain (August 2026). See upcoming tours and events: alumni.caltech.edu/events

#CaltechAlumni #TecherTravels
caltechalumni's tweet image. From Lima to Machu Picchu, our Peru Techer Alumni Tour was unforgettable. Thank you to all who joined! Ready for your next adventure? Join us in Finland (February 2026) or Spain (August 2026). See upcoming tours and events: alumni.caltech.edu/events

#CaltechAlumni #TecherTravels
caltechalumni's tweet image. From Lima to Machu Picchu, our Peru Techer Alumni Tour was unforgettable. Thank you to all who joined! Ready for your next adventure? Join us in Finland (February 2026) or Spain (August 2026). See upcoming tours and events: alumni.caltech.edu/events

#CaltechAlumni #TecherTravels

Celebrate the extraordinary. Nominate the exceptional. The Distinguished Alumni Awards honor Techers shaping science, engineering, and society. 🌍 Know someone whose impact deserves recognition? Nominate them today: alumni.caltech.edu/achieve Photo: 2025 DAA recipients

caltechalumni's tweet image. Celebrate the extraordinary. Nominate the exceptional. The Distinguished Alumni Awards honor Techers shaping science, engineering, and society. 🌍

Know someone whose impact deserves recognition? Nominate them today: alumni.caltech.edu/achieve

Photo: 2025 DAA recipients

See who’s attending Caltech in Chicago! Planning to join us? Then connect with professors, engineers, venture leaders and students from across divisions — EAS, CCE, PMA, GPS and more. Join the Caltech community in the Windy City. #CaltechAlumni #CaltechInChicago #TecherNetwork

caltechalumni's tweet image. See who’s attending Caltech in Chicago! Planning to join us? Then connect with professors, engineers, venture leaders and students from across divisions — EAS, CCE, PMA, GPS and more. Join the Caltech community in the Windy City.
#CaltechAlumni #CaltechInChicago #TecherNetwork

On November 19, join Ashwin Vasavada (PhD '98), project scientist for the Mars Science Laboratory. Vasavada will share the rover’s journey up the slopes of a Martian mountain and give a look at the triumphs and challenges of the mission. Details: caltech.edu/campus-life-ev…

caltechalumni's tweet image. On November 19, join Ashwin Vasavada (PhD '98), project scientist for the Mars Science Laboratory. Vasavada will share the rover’s journey up the slopes of a Martian mountain and give a look at the triumphs and challenges of the mission. Details: caltech.edu/campus-life-ev…

On November 13, join Bill Gross, serial entrepreneur and Idealab founder for an info session on the Bill Gross Business Plan Competition. Have lunch, connect with campus innovators, and learn more about the competition. For complete details, visit: caltech.edu/campus-life-ev…

caltechalumni's tweet image. On November 13, join Bill Gross, serial entrepreneur and Idealab founder for an info session on the Bill Gross Business Plan Competition. Have lunch, connect with campus innovators, and learn more about the competition. For complete details, visit: caltech.edu/campus-life-ev…

Happening today at Caltech: The AI+Science Conference. Caltech and the University of Chicago are co-hosting a two-day conference exploring how AI is advancing discovery in biology, physics, and beyond. Watch the livestream: aiscienceconference.caltech.edu

caltechalumni's tweet image. Happening today at Caltech: The AI+Science Conference. Caltech and the University of Chicago are co-hosting a two-day conference exploring how AI is advancing discovery in biology, physics, and beyond. Watch the livestream: aiscienceconference.caltech.edu

Another unforgettable Alumni Weekend in the books! From campus tours to alumni dinners the memories we created together remind us what it means to be a Techer. Thank you for joining and celebrating our incredible community. See more alumni events today: alumni.caltech.edu/events


Windy City Techers, unite! Join us on November 23 at the Griffin Museum of Science + Industry for lunch, networking, and a talk by President Thomas F. Rosenbaum. Bring your curiosity and register today: alumni.caltech.edu/event/caltech-… #CaltechAlumni #CaltechInChicago

caltechalumni's tweet image. Windy City Techers, unite! Join us on November 23 at the Griffin Museum of Science + Industry for lunch, networking, and a talk by President Thomas F. Rosenbaum. Bring your curiosity and register today: alumni.caltech.edu/event/caltech-…

#CaltechAlumni #CaltechInChicago
caltechalumni's tweet image. Windy City Techers, unite! Join us on November 23 at the Griffin Museum of Science + Industry for lunch, networking, and a talk by President Thomas F. Rosenbaum. Bring your curiosity and register today: alumni.caltech.edu/event/caltech-…

#CaltechAlumni #CaltechInChicago
caltechalumni's tweet image. Windy City Techers, unite! Join us on November 23 at the Griffin Museum of Science + Industry for lunch, networking, and a talk by President Thomas F. Rosenbaum. Bring your curiosity and register today: alumni.caltech.edu/event/caltech-…

#CaltechAlumni #CaltechInChicago

As the Caltech Associates celebrate their centennial, a new generation of leaders are stepping forward to accelerate the next century of scientific discovery. Read more: giving.caltech.edu/news/honoring-…

caltechalumni's tweet image. As the Caltech Associates celebrate their centennial, a new generation of leaders are stepping forward to accelerate the next century of scientific discovery. Read more: giving.caltech.edu/news/honoring-…

🏆 The Dodgers are World Series champions! Congratulations to the team and the behind the scenes members like Grace Peng (BS '20) and Ryan Casey (BS '15) whose analytics work is quietly powering the team’s winning edge. Dive into how data meets baseball: alumni.caltech.edu/techer/stories…

caltechalumni's tweet image. 🏆 The Dodgers are World Series champions! Congratulations to the team and the behind the scenes members like Grace Peng (BS '20) and Ryan Casey (BS '15) whose analytics work is quietly powering the team’s winning edge. Dive into how data meets baseball: alumni.caltech.edu/techer/stories…
caltechalumni's tweet image. 🏆 The Dodgers are World Series champions! Congratulations to the team and the behind the scenes members like Grace Peng (BS '20) and Ryan Casey (BS '15) whose analytics work is quietly powering the team’s winning edge. Dive into how data meets baseball: alumni.caltech.edu/techer/stories…

What a celebration! 🎉 More than 450 alumni and friends returned to campus for three unforgettable days of connection and Caltech pride. Thank you to everyone who made this year’s events something truly special. Read about the event and download photos: alumni.caltech.edu/techer/news/al…

caltechalumni's tweet image. What a celebration! 🎉  More than 450 alumni and friends returned to campus for three unforgettable days of connection and Caltech pride. Thank you to everyone who made this year’s events something truly special. Read about the event and download photos: alumni.caltech.edu/techer/news/al…

On November 8, join Caltech and MIT alumni for a pre-game reception at 2:00 p.m. on the Braun Athletic Center patio, followed by the Caltech Women’s Basketball team taking on MIT at 4:00 p.m. For details, visit: alumni.caltech.edu/event/caltech-…

caltechalumni's tweet image. On November 8, join Caltech and MIT alumni for a pre-game reception at 2:00 p.m. on the Braun Athletic Center patio, followed by the Caltech Women’s Basketball team taking on MIT at 4:00 p.m. For details, visit: alumni.caltech.edu/event/caltech-…

With Caltech in Chicago, step inside the Griffin Museum of Science + Industry! 🧪⚙️ Join us for lunch, laughter, and a day of Caltech curiosity in action! Details: alumni.caltech.edu/event/caltech-… Photo Credit: Griffin Museum of Science + Industry, Chicago

caltechalumni's tweet image. With Caltech in Chicago, step inside the Griffin Museum of Science + Industry! 🧪⚙️ 
Join us for lunch, laughter, and a day of Caltech curiosity in action! Details: alumni.caltech.edu/event/caltech-…

Photo Credit: Griffin Museum of Science + Industry, Chicago

What an unforgettable Alumni Weekend! Thanks to all the Techers who returned to reconnect and show their Caltech pride—especially our milestone classes and GOLD alumni. Here’s to the memories, the smiles, and the spirit that made 2025 shine! Full story: alumni.caltech.edu/techer/news/al…


Robert Grubbs' remarkable legacy lives on at Caltech through his family's gift of his digital and print files. Institute archivists are leveraging AI to help future researchers access his pioneering work. Read more: giving.caltech.edu/news/scientifi…

caltechalumni's tweet image. Robert Grubbs' remarkable legacy lives on at Caltech through his family's gift of his digital and print files. Institute archivists are leveraging AI to help future researchers access his pioneering work. Read more: giving.caltech.edu/news/scientifi…

On October 27 at 7:30 p.m., watch a free screening of "Bright Harvest: Powering Earth From Space". The documentary produced by Brigitte Bren, a Caltech Board Trustee, and filmmaker Steven Reich. Details: caltech.edu/campus-life-ev…

caltechalumni's tweet image. On October 27 at 7:30 p.m., watch a free screening of "Bright Harvest: Powering Earth From Space".  The documentary produced by Brigitte Bren, a Caltech Board Trustee, and filmmaker Steven Reich. Details: caltech.edu/campus-life-ev…

Tonight at 7:30 p.m. in Ramo Auditorium, join the Behind the Book series with Jim Fruchterman (BS, MS '80) discussing his book, "Technology for Good: How Nonprofit Leaders Are Using Software and Data to Solve Our Most pressing Social Problems". Details: caltech.edu/campus-life-ev…

caltechalumni's tweet image. Tonight at 7:30 p.m. in Ramo Auditorium, join the Behind the Book series with Jim Fruchterman (BS, MS '80) discussing his book, "Technology for Good: How Nonprofit Leaders Are Using Software and Data to Solve Our Most pressing Social Problems". 

Details: caltech.edu/campus-life-ev…

☀️ Day 2 of Alumni Weekend is off to an inspiring start! This morning’s Caltech Student Leaders Breakfast brought alumni and current students together for meaningful conversation about life on campus today.

caltechalumni's tweet image. ☀️ Day 2 of Alumni Weekend is off to an inspiring start! This morning’s Caltech Student Leaders Breakfast brought alumni and current students together for meaningful conversation about life on campus today.

The smiles say it all. As alumni make their way across campus for Alumni Weekend, we’ve captured a few moments that remind us what makes this Caltech community so special.

caltechalumni's tweet image. The smiles say it all. As alumni make their way across campus for Alumni Weekend, we’ve captured a few moments that remind us what makes this Caltech community so special.
caltechalumni's tweet image. The smiles say it all. As alumni make their way across campus for Alumni Weekend, we’ve captured a few moments that remind us what makes this Caltech community so special.
caltechalumni's tweet image. The smiles say it all. As alumni make their way across campus for Alumni Weekend, we’ve captured a few moments that remind us what makes this Caltech community so special.

The first day of Alumni Weekend is in full swing! The morning began with a modern architectural tour led by Caltech’s History & Architectural Tour Service (CHATS), giving alumni the chance to revisit their old stomping grounds and explore the newest spaces across campus.

caltechalumni's tweet image. The first day of Alumni Weekend is in full swing! The morning began with a modern architectural tour led by Caltech’s History & Architectural Tour Service (CHATS), giving alumni the chance to revisit their old stomping grounds and explore the newest spaces across campus.
caltechalumni's tweet image. The first day of Alumni Weekend is in full swing! The morning began with a modern architectural tour led by Caltech’s History & Architectural Tour Service (CHATS), giving alumni the chance to revisit their old stomping grounds and explore the newest spaces across campus.
caltechalumni's tweet image. The first day of Alumni Weekend is in full swing! The morning began with a modern architectural tour led by Caltech’s History & Architectural Tour Service (CHATS), giving alumni the chance to revisit their old stomping grounds and explore the newest spaces across campus.
caltechalumni's tweet image. The first day of Alumni Weekend is in full swing! The morning began with a modern architectural tour led by Caltech’s History & Architectural Tour Service (CHATS), giving alumni the chance to revisit their old stomping grounds and explore the newest spaces across campus.

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