# Julia R. Greer
**Source**: https://aph.caltech.edu/people/jrgreer
**Parent**: https://aph.caltech.edu/about/contact
[Research Website](http://www.jrgreer.caltech.edu)
[Personal Website](http://jrgreer.caltech.edu)
[ORCID](https://orcid.org/0000-0002-9675-1508)
Administrative Assistant
Name:
Joanne V. Pineda
Phone:
[626-395-8343](tel:+16263958343)
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Julia R. Greer
## Julia R. Greer
##### Ruben F. and Donna Mettler Professor of Materials Science, Mechanics and Medical Engineering; Executive Officer for Applied Physics and Materials Science
*B.S., Massachusetts Institute of Technology, 1997; M.S., Stanford University, 2000; Ph.D., Stanford University, 2005. Assistant Professor, Caltech, 2007-13; Professor, 2013-19; Mettler Professor, 2019-; Fletcher Jones Foundation Director, 2019-25; Executive Officer, 2025-.*
- Profile
- Publications
- Teaching
#### Research Overview
Professor Greer focuses on nano-scale phenomena: mechanical properties, in-situ deformation, and nano-fabrication.
Research Summary:
nano-scale phenomena, mechanical properties, *in-situ* deformation, nano-fabrication
#### Related News
[Julia R. Greer Named MRS Fellow](https://aph.caltech.edu/news/julia-greer-named-mrs-fellow)
[#SoCaltech: Julia Greer](https://magazine.caltech.edu/post/socaltech-julia-greer)
[Julia Greer Receives the 2024 ASME Nadai Medal](https://aph.caltech.edu/news/julia-greer-receives-2024-asme-nadai-medal)
[Julia Greer Named New Editor-in-Chief of Journal of Applied Physics](https://aph.caltech.edu/news/julia-greer-named-new-editor-in-chief-of-journal-of-applied-physics)
[Winners of the 2023 Demetriades - Tsafka - Kokkalis Prizes Announced](https://aph.caltech.edu/news/winners-of-the-2023-demetriades-tsafka-kokkalis-prizes-announced)
[Knots Smaller Than Human Hair Make Materials Unusually Tough](https://aph.caltech.edu/news/knots-smaller-than-human-hair-make-materials-unusually-tough-1)
[New Process Allows 3-D Printing of Microscale Metallic Parts](https://aph.caltech.edu/news/new-process-allows-3-d-printing-of-microscale-metallic-parts-1)
[Nano-Architected Materials Offer New Frontier in Technology](https://aph.caltech.edu/news/nano-architected-materials-offer-new-frontier-in-technology-1)
[A Science Journey with Fernando Villafuerte](https://aph.caltech.edu/news/a-science-journey-with-fernando-villafuerte)
[The Grid Gets Smart](https://aph.caltech.edu/news/the-grid-gets-smart)
[Read more news](https://aph.caltech.edu/news?search=Julia Greer)
[View more publications on feeds.library.caltech.edu](https://feeds.library.caltech.edu/people/Greer-J-R/)
#### Related Courses
##### 2025-26
MS/ME/MedE 116 – Mechanical Behavior of Materials
MS 133 – Kinetic Processes in Materials
##### 2022-23
MS/ME/MedE 116 – Mechanical Behavior of Materials
MS/ME 161 – Imperfections in Crystals