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Fall 2025-2026

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Thursday, September 18th, 2025
8:00am – 9/20 5:00pm
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International Student Orientation: iBegin@Caltech

11:00am – 1:00pm
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Caltech Employees: Therapy Pets Hang

Hameetman Center Patio
  • Internal Event
12:00pm – 1:00pm
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Caltech Reading Women Book Group discussion of Culpability featuring special guest Jen Jahner

Center for Student Services, 2nd Floor, Common Area
12:00pm – 1:30pm
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EVOxZankou Seminar

Chen 130
"A Complete Set of Metabolic Protein Folds from only 6 Amino Acids" and "Disentangling the mechanisms of gene expression evolution"
Stuart Bartlett, Research Staff, GPS, Caltech,
Catherine Felce, Graduate Student, PSA, Caltech,
5:00pm – 7:00pm
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CPA Postdoc Appreciation Week: Cool Ales Happy Hour

Gates Annex Patio
Friday, September 19th, 2025
12:00pm – 1:00pm
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Caltech Postdoc Launch Seminar

Chen 130
12:00pm – 1:00pm
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IQIM Postdoctoral and Graduate Student Seminar

East Bridge 114
Finite-Temperature Quantum Topological Order in Three Dimensions
Tibor Rakovszky, Budapest University of Technology and Economics,
1:00pm – 2:00pm
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CPA Postdoc Appreciation Week: Free Headshots

Moore Courtyard
3:00pm – 5:00pm
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CPA Postdoc Appreciation Week: Freshly Made Donuts + CPA Merch

Resnick Sustainability Center Breezeway
4:00pm – 5:00pm
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Summer Seminar Series

Noyes 147 (J. Holmes Sturdivant Lecture Hall)
In vivo isotope tracing reveals novel aspects of mammalian metabolism
Tara Teslaa, Assistant Professor, Molecular and Medical Pharmacology, University of California Los Angeles,
Saturday, September 20th, 2025
9:15am – 9/21 5:30pm
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Symposium Honoring the Scientific Legacy of Eric H. Davidson

Beckman Auditorium
7:30pm – 10:00pm
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Joselyn & Don and The Odd Birds

Off Campus
  • Public Event
Sunday, September 21st, 2025
9:00am – 9/26 5:00am
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New Undergraduate Student Orientation Week

10:00am – 4:00pm
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New Student Check-In for Undergraduates

10:00am – 9/28 4:00pm
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New Student Orientation for Undergraduates

Monday, September 22nd, 2025
8:15am – 12:30pm
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KISS Short Course - Interplanetary Laser Trilateration Network

Chen 100
  • Public Event
9:00am – 4:00pm
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New Student Check-in for Graduates

12:00pm – 9/26 5:00pm
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New Student Orientation for Graduates

Tuesday, September 23rd, 2025
10:30am – 12:00pm
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Laser Safety Training

Online Event
11:00am – 12:00pm
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PhD Thesis Seminar

Broad 100
From Parts to Pathways: Building Better Biology through In Vivo Polygenic Diversification and Precision Genome Engineering
Jie "Jolena" Zhou, Graduate Student, Chemical Engineering (Kaihang Wang Lab), Caltech,
12:00pm – 1:00pm
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Setting Up Your Canvas Course-Zoom

Online Event
1:00pm – 2:00pm
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Mythbusting: Planning and Managing Healthcare Expenses in Retirement

Online Event
2:00pm – 3:00pm
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X-Ray Diffraction Training

Online Event
4:00pm – 5:00pm
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DIX Planetary Science Seminar

South Mudd 365
Dynamical Imprints of Planet Formation: From Exoplanets to the Solar System
Shuo Huang, Joint PhD Student, Tsinghua Univ. and Leiden Univ.,
Wednesday, September 24th, 2025
8:15am – 4:00pm
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SAVE THE DATE - First Year TA Training (FYTAT) 2025

12:00pm – 1:00pm
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Seismo Lab Brown Bag Seminar

South Mudd 254
The 2025 Mw7.7 Mandalay, Myanmar, earthquake reveals a complex earthquake cycle with clustering and variable segmentation on the Sagaing Fault; Electrical transmission line tower collapse
3:00pm – 4:15pm
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Lab Safety Orientation Training

Online Event
Thursday, September 25th, 2025
10:30am – 12:00pm
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Campus History & Architectural Tour

Athenaeum
  • Public Event
12:00pm – 1:00pm
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"Insights on the Present and Future of Scientific Research Writing and Publishing" Holden Thorp, Editor-in-Chief, Science Family of Journals

Annenberg 105
1:00pm – 5:00pm
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Undergraduate Academic Standards and Honors Committee Meeting

5:00pm – 6:00pm
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The 2025 Caltech Alumni Association Annual Meeting of Members Returns

6:00pm – 7:00pm
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Techer Live: Future Prospects for American Science

Ramo Auditorium
  • Public Event
Friday, September 26th, 2025
8:00am – 5:00pm
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CCE Seminar Day

Noyes 153 (J. Holmes Sturdivant Lecture Hall)
9:00am – 11:30am
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Convocation 2025

Beckman Auditorium
11:00am – 12:00pm
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Special CMX Lunch Seminar

Annenberg 213
Consistency and optimality of nonlinear data assimilation with Gaussian processes
Richard Nickl, Professor of Mathematical Statistics, Department of Pure Mathematics and Mathematical Statistics, University of Cambridge,
11:00am – 1:00pm
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Wildlife and health experts give advice about coyotes

Hameetman Center Patio
  • Public Event
2:00pm – 3:00pm
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Special TAPIR Seminar

Online and In-Person Event
Cosmic Ray Magnetohydrodynamics: A New Two-Moment Framework with Numerical Implementation
Xihui Zhao, Graduate Student, Astrophysics, IAS, Princeton and Tsinghua University,
3:00pm – 4:00pm
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Caltech Library - Get Your Local Public Library Card

Sherman Fairchild Library, Amphitheatre
  • Public Event
3:00pm – 4:00pm
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MedE-EE Seminar

Annenberg 105
Seeing Deep Inside Scattering Tissue Using Efficient, Noise-Robust Wavefront Shaping
Anat Levin, Professor, Department of Electrical and Computer Engineering, Technion,
5:00pm – 9:00pm
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Welcome Back BBQ

7:30pm – 9:00pm
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TACIT presents Comedy Improv Show!

Ramo Auditorium
  • Public Event
Saturday, September 27th, 2025
9:00am – 11:00am
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Open House at Child Educational Center's (CEC) La Cañada Site (140 Foothill Blvd.)

Off Campus
Monday, September 29th, 2025
All Day
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Beginning of Instruction of Fall Term

3:45pm – 4:45pm
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Inorganic-Electrochemistry Seminar

Noyes 147 (J. Holmes Sturdivant Lecture Hall)
Catalysis by Corrole Metal Complexes for Drug Discovery and Clean Energy
Zeev Gross, Schulich Faculty of Chemistry, Chemistry, Technion - Israel Institute of Technology,
4:00pm – 5:00pm
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Geological and Planetary Sciences Seminar

Arms 155 (Robert P. Sharp Lecture Hall)
Deuterated water in the outer solar system
Mike Brown, Richard and Barbara Rosenberg Professor of Planetary Astronomy; Terence D. Barr Leadership Chair, Center for Comparative Planetary Evolution; Director, Caltech Center for Comparative Planetary Evolution Division of Geological and Planetary Sciences, California Institute of Technology,
4:00pm – 5:00pm
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T&C Chen Center for Social and Decision Neuroscience Seminar

Chen 100
Naturalistic Paradigms and Real Rewards for Unveiling Neurocognitive Mechanisms in Decision-Making and Addiction
Woo-Young Ahn, Professor in the Department of Psychology and Adjunct Professor in the Department of Brain & Cognitive Sciences, Seoul National University,
Tuesday, September 30th, 2025
11:00am – 12:00pm
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PhD Thesis Seminar

Methodological Development and Computational Investigations of Metal-Catalyzed Coupling Reactions
Robert Anderson, Graduate Student, Chemistry, Caltech,
12:00pm – 1:00pm
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Caltech Library - Dabney Humanities Library Open House

Dabney Hall, Library
  • Internal Event
12:00pm – 1:00pm
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Spill the Tea with CCID

Hameetman Center Patio
4:00pm – 5:00pm
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Chemical Physics Seminar

Noyes 147 (J. Holmes Sturdivant Lecture Hall)
Shaowei Li, Assistant Professor of Chemistry, Department of Chemistry and Biochemistry, University of California, San Diego,
4:00pm – 5:00pm
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DIX Planetary Science Seminar

Arms 155 (Robert P. Sharp Lecture Hall)
Powering Ganymede's Dynamo with Ongoing Core Formation
Kevin T. Trinh, Barr Postdoctoral Fellow, Division of Geological and Planetary Sciences, Caltech,
4:00pm – 5:00pm
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Ulric B. and Evelyn L. Bray Social Sciences Seminar

Baxter B125
Trust but Verify? Experimental Evidence on Disclosure, Deception and Punishment in the Data Economy
Ginger Jin, Professor of Economics, University of Maryland,
Wednesday, October 1st, 2025
11:00am – 12:00pm
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Election Science Office Hours, a webinar series presented by the Caltech Election Integrity Project

Online Event
A Conversation on Election Technology with Ben Adida, PhD, Executive Director of VotingWorks
Ben Adida, Founder and Executive Director, VotingWorks,
11:00am – 12:00pm
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High Energy Theory Seminar

Online and In-Person Event
Towards an Analytic Bootstrap Framework for Thermal CFTs
Deniz Bozkurt, DESY,
12:00pm – 1:00pm
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Getting Started With Gradescope

Online Event
12:00pm – 1:00pm
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Seismo Lab Brown Bag Seminar

South Mudd 254
Favorable tidal stress triggers more tremors with higher energies
Siyuan Zhang, Graduate Student, University of Southern California,
3:00pm – 5:00pm
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Biosafety - Comprehensive Training

Online Event
4:00pm – 5:00pm
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ASTRONOMY COLLOQUIUM

Cahill, Hameetman Auditorium
Cosmic Evolution of Star Formation, Gas, and Dust in Galaxies
Nick Scoville, Francis L. Moseley Professor of Astronomy, Emeritus, Astronomy Department, Caltech,
Andreas Faisst, Staff Scientist, IPAC, Caltech,
4:00pm – 5:00pm
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Environmental Science and Engineering Seminar

South Mudd 365
Beyond strain and rotation: What do velocity gradients reveal about turbulent flows?
Rahul Arun, Foster and Coco Stanback Postdoctoral Scholar Research Associate in Environmental Science and Engineering Geological and Planetary Sciences, Caltech,
4:00pm – 5:00pm
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Organic Chemistry Seminar

Gates Annex B122
Alkene and Arene Functionalizations: Synthesis of Heterocyclic Natural Products
Kevin G.M. Kou, Assistant Professor, Department of Chemistry, University of California, Riverside,
  • Internal Event
4:00pm – 5:00pm
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Ulric B. and Evelyn L. Bray Social Sciences Seminar

Baxter B125
A General Framework for Estimating Preferences Using Response Time Data
Federico Echenique, Professor, Department of Economics, UC Berkeley,