![](https://isotopic.wustl.edu/files/2023/06/IMG_4896-1024x768.jpg)
![Parai Group Fall 2021](https://isotopic.wustl.edu/files/2022/10/DSC00604-1536x1024-1-1024x683.jpg)
![](https://isotopic.wustl.edu/files/2022/10/fall2020group-e1612849166969-1024x612.jpeg)
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![](https://isotopic.wustl.edu/files/2022/10/DSC00382-1024x683.jpeg)
![](https://isotopic.wustl.edu/files/2022/10/Parai_Lab_Group_1400x550-1najp44-1024x402.jpeg)
![Rita Parai](https://isotopic.wustl.edu/files/2022/10/DSC00806ed-458x458-1-280x386.jpg)
Rita Parai
Assistant Professor of Geochemistry
- Phone: 314-935-3974
- Email: parai@wustl.edu
PhD, Harvard 2014
AB, Harvard University, 2007
Curriculum Vitae ≫
![Samuel Patzkowsky](https://isotopic.wustl.edu/files/2022/10/DSC00638ed-e1635807134738-458x458-1-280x386.jpg)
Samuel Patzkowsky
4th Year Graduate Student
BA, Franklin & Marshall College, 2020
![Kelsey Woody](https://isotopic.wustl.edu/files/2022/10/DSC00798ed-e1635807005469-458x458-1-280x386.jpg)
Kelsey Woody
3rd Year Graduate Student
BS, UNC – Chapel Hill, 2019
![Judy Zhang](https://isotopic.wustl.edu/files/2022/10/DSC00415-1-e1570652600585-458x458-1-280x386.jpg)
Judy Zhang
1st Year Graduate Student
AB, Washington University in St. Louis, 2022
Former Group Members
![Julian Rodriguez](https://isotopic.wustl.edu/files/2022/10/DSC00751ed-e1637092176297-458x458-1-280x386.jpg)
Julian Rodriguez
Research Laboratory Assistant
- Email: smrodriguez@wustl.edu
AB, Washington University in St. Louis, 2018
![Nhia Solari](https://isotopic.wustl.edu/files/2022/10/DSC00688ed-e1635798450210-458x458-1-280x386.jpg)
Nhia Solari
1st Year Graduate Student
BA, Wellesley College, 2019
![Benjamin Tiger](https://isotopic.wustl.edu/files/2022/10/Ben_Tiger_280x386-20nw1ac.jpg)
Benjamin Tiger
Undergraduate Research Assistant
- Email: tigerb@wustl.edu
AB, Washington University in St. Louis, 2019.
Ben is now a graduate student in the MIT/WHOI Joint Program.
![Hannah Bloom](https://isotopic.wustl.edu/files/2022/10/DSC00411-e1570652243537-458x458-1-280x386.jpg)
Hannah Bloom
Undergraduate Research Assistant
AB, Washington University in St. Louis, 2020
Hannah is now a graduate student at the University of Chicago.
![Mattison Barickman](https://isotopic.wustl.edu/files/2022/10/DSC00664ed-e1635798410380-458x458-1-280x386.jpg)
Mattison Barickman
Geologist at HDR
MA, Earth and Planetary Sciences, WashU, 2020
BS, Tufts University, 2018
![Nathan Vaska](https://isotopic.wustl.edu/files/2022/10/DSC00408-e1571242473735-458x458-1-280x386.jpg)
Nathan Vaska
Undergraduate Assistant
BS, Mechanical Engineering, Washington University in St. Louis, 2020.
Nathan is now a graduate student at Georgia Tech.
![Stephen J. Turner](https://isotopic.wustl.edu/files/2022/10/Stephen_Turner_280x386-s2cabh.jpg)
Stephen J. Turner
Former Steve Fossett Postdoctoral Fellow
PhD, Harvard University 2015
Now a visiting assistant professor at UMass Amherst.