#  Group members 

 



 ##  

  expand\_more  

 
  

 

### *Ph.D. students:*

Shijie Wen, 2024–present

   ![Jack headshot](/sites/g/files/omnuum11631/files/styles/hwp_1_1__360x360_scale/public/raf/files/headshot_jack.png?itok=D-Fb2gv8) 

 

[John "Jack" Sheehan](https://geojacksheehan.github.io/), 2022–present

   ![Chiara headshot](/sites/g/files/omnuum11631/files/styles/hwp_1_1__360x360_scale/public/raf/files/230305_chiara.jpg?itok=8L6aDSVH) 

 

[Chiara Chung-Halpern](https://eps.harvard.edu/people/chiara-chung), 2022–present

 ![Jesse_Gu](/sites/g/files/omnuum11631/files/2025-06/Jesse_Gu.png)

 

[Jesse Gu](https://jessetgu.github.io/index.html), 2020–present

 ![Junjie_Dong](/sites/g/files/omnuum11631/files/2025-06/Junjie_Dong.png)

 

[Junjie "JJ" Dong](https://www.junjiedong.xyz/), 2017–2023: now a Stanback Postdoctoral Fellow at the Caltech Center for Comparative Planetary Evolution (3CPE)

 ![Matthew_Brennan](/sites/g/files/omnuum11631/files/2025-06/Matthew_Brennan_0.png)

 

[Matthew Brennan](https://mcbrennan.github.io/), 2017–2022: now a Glenn T. Seaborg Institute Postdoctoral Fellow at Los Alamos National Laboratory

### *Postdoctoral fellows:*

 ![Michael_Volk](/sites/g/files/omnuum11631/files/2025-06/Michael_Volk.png)

 

[Michael Volk](https://eps.harvard.edu/people/michael-volk), 2019–2022: a postdoc in [Roger Fu](https://paleomag.fas.harvard.edu/)'s group who did some experiments in our lab; now a Researcher in Optics Metrology at Carl Zeiss Semiconductor Manufacturing Technology, Germany

 ![Terry-Ann_Suer](/sites/g/files/omnuum11631/files/2025-06/Terry-Ann_Suer.png)

 

[Terry-Ann Suer](https://sites.google.com/view/terryannsuer/home), 2018–2021: now a Scientist in the Laboratory for Laser Energetics at the University of Rochester

 ![Kierstin_Daviau](/sites/g/files/omnuum11631/files/2025-06/Kierstin_Daviau.png)

 

[Kierstin Daviau](https://scholar.google.com/citations?user=LebJAMMAAAAJ&hl=en), 2019–2020: now Academic Staff in Engineering at the Toi-Ohomai Institute of Technology, New Zealand

 ![Katlyn_Turner](/sites/g/files/omnuum11631/files/2025-06/Katlyn_Turner.png)

 

[Katlyn Turner](https://www.media.mit.edu/people/katlyn/overview/), summer 2018: now a Research Scientist in the Space Enabled group at the MIT Media Lab

### *Other:*

 ![Lucy_Jacobsen](/sites/g/files/omnuum11631/files/2025-06/Lucy_Jacobsen.png)

 

[Lucy Jacobsen](https://eps.harvard.edu/people/lucy-jacobsen), 2023–2024: undergraduate researcher

 ![Darius_Mardaru](/sites/g/files/omnuum11631/files/2025-06/Darius_Mardaru.png)

 

[Darius Mardaru](https://eps.harvard.edu/people/darius-mardaru), 2021–2023: undergraduate researcher

 ![Riko_Iizuka-Oku](/sites/g/files/omnuum11631/files/2025-06/Riko_Iizuka-Oku.png)

 

[Riko Iizuka-Oku](https://eps.harvard.edu/people/riko-oku), 2021–2023: visiting researcher; now an Associate Professor at Waseda University, Japan

 ![Gypsum](/sites/g/files/omnuum11631/files/2025-06/Gypsum.png)

 

Gypsum, 2020–present: honorary group member, Rebecca's dog

  
Plus numerous short-term high school and undergraduate researchers